Flowpoint Fine Rapid Set External Paving Grout - Charcoal
About the product
UltraScape Flowpoint Fine Paving Grout – Charcoal
"The Finest Grade in the Flowpoint Range in Charcoal — No Visible Aggregate, Joints from 2mm, Perfect for Charcoal Porcelain, Granite Setts & Darker Natural Stone"
UltraScape Flowpoint Fine Charcoal combines the ultra-fine, aggregate-free finish of Flowpoint Fine (joints from just 2mm) with a bold charcoal tone — the ideal choice for charcoal or grey porcelain, granite setts, slate and darker natural stones where a defined, colour-matched joint is needed. It meets BS 7533 standards and lasts up to 40 years. Supplied in 20kg tubs (not bags), sets in 15 minutes.
Important: Flowpoint Fine uses a different water ratio to other Flowpoint grades — 3.4 litres per 20kg tub (not 4.25L). Do not use the Standard water ratio for Fine.
For best results, use a neoprene squeegee & 3 section pole for a clean, stain-free application. A temporary sealer such as Tile Rite Patio Prep Temporary Sealer is strongly recommended for porous or darker stones to prevent grout haze.
Ideal for: charcoal or grey porcelain (joints from 2mm), granite setts, slate, darker sandstone, Indian Stone, Yorkstone and concrete slabs. Also suitable for darker limestone when used with a temporary pre-sealer.
Also available in Natural Grey. Need Limestone or Stone Grey? These colours are sold under the name Porcelpoint — it's the same Fine formulation, just in lighter tones.
Coverage Guide (approximate, per 20kg tub)
- Porcelain (600×900, 3×20mm joints): 1 tub ≈ 30–40m²
- Natural Stone (mixed pack): 1 tub ≈ 11–12m²
- Granite Setts: 1 tub ≈ 1.5–2m²
Use our calculator below for a precise estimate based on your patio size and joint width.
Got a question about Flowpoint Fine? See our Flowpoint FAQs, download the technical datasheet (PDF), or contact us. Alternatively, call 0330 122 1025 — we're always happy to help.
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Flowpoint Fine Rapid Set External Paving Grout - Charcoal
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For Highlands, Guernsey, Jersey, Isle of Man, and Isle of Wight – call 0330 122 1025.
See full delivery info →
For Highlands, Guernsey, Jersey, Isle of Man, and Isle of Wight – call 0330 122 1025.
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Flowpoint Fine Charcoal — Full Technical Information
Product Overview
UltraScape Flowpoint Fine Charcoal is the most specialist grade in the Flowpoint range in a bold charcoal tone — a rapid-setting, flowable, cement-based paving grout with no visible aggregate, for external use. Its ultra-fine formulation fills joints from just 2mm and produces a super-smooth, tile-like finish in charcoal. Supplied in 20kg tubs with a water ratio of 3.4L per 20kg. Conforms to BS 7533.
Performance Data
| Property | Value |
|---|---|
| Classification | BS 7533 |
| Aggregate finish | No visible aggregate — super smooth, tile-like |
| Bond (adhesion) strength | 1.5N/mm² after 28 days |
| Compressive strength | 49.6N/mm² after 28 days |
| Flexural strength | 7.1N/mm² after 28 days |
| Tensile strength | 3.91N/mm² after 28 days |
| Shrinkage | Shrinkage compensated |
| Initial set | 15 minutes at 20°C |
| Open to foot traffic | 1 hour |
| Open to vehicular traffic | 4 hours |
| Expected service life | Up to 40 years |
| Permeability | Non-permeable (impermeable bed required) |
| Weather resistance | Can be applied in light rain |
| Frost resistance | Do not apply below 3°C or if frost expected within 24 hours |
Application Data
| Property | Value |
|---|---|
| Water requirement | 3.4 litres per 20kg tub (different from other Flowpoint grades) |
| Mixing time | 3–5 minutes |
| Working time after mixing | 5–15 minutes |
| Joint width | 2–50mm |
| Joint depth | 20–200mm (single application) |
| Supply format | 20kg plastic tubs (pre-mixed dry-pack — just add water) |
| Full pallet | 40 tubs |
| Colours available | Charcoal & Natural Grey (Limestone & Stone Grey available as Porcelpoint) |
Coverage Guide (approximate, per 20kg tub)
| Paving Type | Approximate Coverage |
|---|---|
| Porcelain Paving (600×900, 3×20mm joints) | approx. 30–40m² |
| Natural Stone (mixed pack) | 11–12m² |
| Granite Setts | 1.5–2m² |
Suitable Substrates
- Charcoal or grey porcelain (joints from 2mm)
- Granite setts
- Slate
- Darker sandstone and Indian Stone
- Yorkstone
- Concrete slabs and clay pavers
- Limestone (including darker limestone when used with a temporary pre-sealer)
Note: Not recommended for use on some darker limestones (e.g. black limestone) without a temporary pre-sealer. Contact us for advice.
Storage & Shelf Life
- Shelf life: 8 months from date of manufacture (printed on the tub)
- Store in a cool, dry, frost-free area between 5°C and 30°C, in unopened, sealed tubs
- Using after the declared storage period may increase the risk of an allergic reaction
Health & Safety
- Contains cement — wear appropriate PPE including gloves and eye protection
- Wet cement can cause serious skin burns — avoid prolonged skin contact
- Wash hands and exposed skin thoroughly after use
- Keep out of reach of children
- Full Safety Data Sheet (SDS) available on request or from the UltraScape website
For the full technical datasheet, download the PDF here. For project-specific advice, get in touch or call us on 0330 122 1025.
How to Mix & Apply UltraScape Flowpoint Fine Charcoal Paving Grout
Important — water ratio: Flowpoint Fine uses 3.4 litres of clean water per 20kg tub. This is different from Flowpoint Standard, Smooth, ECO and Premium, which use 4.25 litres per 25kg bag. Using the wrong water ratio will affect the finish and joint strength.
Important — drainage: Ensure you have somewhere to push excess slurry grout, such as an area of lifted grass or a waste bucket. Never push excess Flowpoint into drains — it is a rapid-setting grout and will create a permanent blockage.
Step 1 — Preparation
Without a temporary pre-sealer (standard method):
- Ensure joints are clean and free from debris, dust and loose material.
- Thoroughly pre-soak the paving surface and joints with water — the paving must be properly wet before you begin.
- Then remove all standing or ponded water from the surface and from within the joints — a leaf blower is ideal. The paving should be damp, not waterlogged.
- Keep the surface moist throughout application by misting with a soft spray of water as you work.
With a temporary pre-grout sealer (e.g. Tile Rite Patio Prep or Nexus ProJoint Pre-Grout):
- Apply the temporary sealer to the paving in advance and allow it to dry as per the product instructions.
- Do not pre-soak the paving with water. The temporary sealer acts as the protective barrier — water is not required until clean-down.
- Remove any standing water from the joints using a leaf blower before grouting begins.
- Always carry out a small trial area first to ensure compatibility with your stone type.
Step 2 — Mixing
- Add 3.4 litres of clean water per 20kg tub into a clean bucket or mixing vessel.
- Gradually add the Flowpoint Fine powder to the water and mix for 3–5 minutes until smooth and lump-free. Use a slow-speed drill and paddle mixer for best results.
- Only mix what you can apply in approximately 5–15 minutes — do not store liquid mortar.
- Never remix or add extra water once mixed.
Step 3 — Application
- Pour the mixed grout directly onto the paving surface.
- Using a neoprene squeegee & 3 section pole, carefully force the mortar into the joints. Flowpoint Fine's ultra-fine consistency flows exceptionally well into narrow joints — work methodically to ensure all joints are fully filled.
- Use the squeegee to remove as much excess mortar as possible from the surface as you go.
- If not using a temporary pre-sealer, keep the surface constantly moist using a soft spray of water. If using a pre-sealer, water is not required until clean-down.
- Be patient — use the thumb test: always check the joint is firm before washing off.
- Once the jointing mortar has reached its initial set, clean the paving surface thoroughly using a brush and copious amounts of clean water. No mortar must be allowed to remain on the surface.
- Wash all tools frequently during application.
Step 4 — Trafficking
- Foot traffic: after 1 hour (at 20°C)
- Vehicular traffic: after 4 hours (at 20°C)
- Cool temperatures retard set; warm temperatures accelerate it. Avoid applying in direct sunlight or during frost.
Important Precautions
- Wear appropriate PPE — avoid skin and eye contact. Wet cement can cause serious burns.
- Never remix or add extra water to the mix once prepared.
- Do not use the Standard/Smooth water ratio (4.25L) for Flowpoint Fine — always use 3.4L per 20kg tub.
- Never push excess Flowpoint into drains — it will set and cause a permanent blockage.
- Do not apply below 3°C or if frost is expected within 24 hours.
- Do not apply in direct sunlight.
- Store in a cool, dry, frost-free area between 5°C and 30°C. Shelf life: 8 months from date of manufacture (printed on the tub).
About the product
UltraScape Flowpoint Fine Paving Grout – Charcoal
"The Finest Grade in the Flowpoint Range in Charcoal — No Visible Aggregate, Joints from 2mm, Perfect for Charcoal Porcelain, Granite Setts & Darker Natural Stone"
UltraScape Flowpoint Fine Charcoal combines the ultra-fine, aggregate-free finish of Flowpoint Fine (joints from just 2mm) with a bold charcoal tone — the ideal choice for charcoal or grey porcelain, granite setts, slate and darker natural stones where a defined, colour-matched joint is needed. It meets BS 7533 standards and lasts up to 40 years. Supplied in 20kg tubs (not bags), sets in 15 minutes.
Important: Flowpoint Fine uses a different water ratio to other Flowpoint grades — 3.4 litres per 20kg tub (not 4.25L). Do not use the Standard water ratio for Fine.
For best results, use a neoprene squeegee & 3 section pole for a clean, stain-free application. A temporary sealer such as Tile Rite Patio Prep Temporary Sealer is strongly recommended for porous or darker stones to prevent grout haze.
Ideal for: charcoal or grey porcelain (joints from 2mm), granite setts, slate, darker sandstone, Indian Stone, Yorkstone and concrete slabs. Also suitable for darker limestone when used with a temporary pre-sealer.
Also available in Natural Grey. Need Limestone or Stone Grey? These colours are sold under the name Porcelpoint — it's the same Fine formulation, just in lighter tones.
Coverage Guide (approximate, per 20kg tub)
- Porcelain (600×900, 3×20mm joints): 1 tub ≈ 30–40m²
- Natural Stone (mixed pack): 1 tub ≈ 11–12m²
- Granite Setts: 1 tub ≈ 1.5–2m²
Use our calculator below for a precise estimate based on your patio size and joint width.
Got a question about Flowpoint Fine? See our Flowpoint FAQs, download the technical datasheet (PDF), or contact us. Alternatively, call 0330 122 1025 — we're always happy to help.
UltraScape Flowpoint Fine Rapid Set External Paving Grout | Charcoal
'The Finest Flowpoint Grade in Charcoal — No Visible Aggregate, Joints from 2mm — Perfect for Charcoal Porcelain, Granite Setts & Darker Natural Stone'
UltraScape Flowpoint Fine Charcoal is one of the most technically impressive grouts in the Flowpoint range — combining the ultra-fine, aggregate-free finish of Flowpoint Fine (joints from just 2mm) with a bold charcoal tone that's particularly well suited to charcoal or grey porcelain, granite setts, slate and darker natural stones where a defined, colour-matched joint makes all the difference. It's a product our customers consistently come back to tell us they're delighted with.
Rapid-setting in 15 minutes at 20°C, BS 7533 compliant, suitable for joints 2–50mm wide and 20–200mm deep, supplied in 20kg tubs, and built to last up to 40 years — Flowpoint Fine Charcoal is a professional-strength paving grout that delivers a finish unlike anything else in the slurry grout market.
We're a small, family-run business — I'm Cleo, the owner, with over 25 years in the construction industry, having worked with businesses such as Tarmac and Instarmac. I work alongside a team of incredibly knowledgeable and caring individuals, and between us we've seen a lot of paving grouts come and go. Flowpoint Fine Charcoal is the product we reach for when a contractor wants the finest possible joint finish in a dark tone — the aggregate-free surface is genuinely striking against charcoal porcelain or granite setts.
If you're jointing charcoal or grey porcelain, granite setts, slate, or darker natural stone — and particularly if your joints are narrower than 3mm — Flowpoint Fine Charcoal is the product we'd confidently recommend. With darker limestones, Flowpoint can cause oxidisation — however, the new generation of temporary pre-sealers such as Tile Rite Patio Prep Temporary Sealer prevent this, making Flowpoint a viable option even for darker stones when used correctly. If you're unsure, read our black limestone blog or give us a call.
UltraScape Flowpoint Fine Charcoal is a flowable, rapid-setting, cement-based paving grout with an ultra-fine, aggregate-free finish. Supplied in 20kg tubs, it fills joints from just 2mm, sets in 15 minutes, and produces a seamless, smooth joint in a bold charcoal tone. Simply mixed with water, it is poured across the paving, squeegeed into the joints, and cleaned down to reveal strong, durable, weed-free joints that can last up to 40 years.
What Makes Flowpoint Fine Different?
Flowpoint Fine sits at the top of the Flowpoint range in terms of finish quality. Here's how it compares to the other grades:
| Feature | Flowpoint Standard / ECO | Flowpoint Smooth | Flowpoint Fine |
|---|---|---|---|
| Minimum joint width | 5mm | 3mm | 2mm |
| Aggregate finish | Visible aggregate | Fine aggregate | No visible aggregate |
| Surface finish | Textured | Smooth | Super smooth / tile-like |
| Unit size | 25kg bag | 25kg bag | 20kg tub |
| Water ratio | 4.25L per 25kg | 4.25L per 25kg | 3.4L per 20kg |
| Best for | General paving, granite setts | Porcelain, narrow joints | Porcelain, smooth stone, inside-outside |
Want the Fine Finish in a Lighter Colour? Meet Porcelpoint.
Flowpoint Fine comes in two colours: Natural Grey and Charcoal. When Instarmac introduced Limestone and Stone Grey to the Fine range, they gave them a new name: Porcelpoint. It's essentially the same product — the same ultra-fine, aggregate-free formulation, the same water ratio, the same performance — just in lighter, stone-matching tones.
- Porcelpoint Stone Grey — a warm, mid-tone grey for light porcelain, pale sandstone and limestone
- Porcelpoint Limestone — a soft, creamy tone for limestone, buff sandstone and light natural stone
Not sure which colour suits your stone? Send us a photo and we'll advise.
What Do Industry Experts Say About Flowpoint Fine?
We asked Gareth Wilson, one of the UK's most respected hard landscaping experts, for his view on Flowpoint Fine specifically. Gareth has 30 years in the landscaping trade, 30 Royal Horticultural Show (RHS) awards for show garden construction, and now works as an expert witness in hard landscaping.
GARETH WILSON — Hard Landscaping Expert & RHS Award Winner
"As with other Flowpoint grades, be patient and hold your nerve so you don't wash the product off too soon. Too many contractors start washing off when the product starts to dry on the slabs. You need to keep the slabs damp with a mist of water so it doesn't go off on them too soon. Always make sure Flowpoint Fine is set in the joint before washing it off. Keep your eye on the firmness of the joint — just with a little thumb test. Once firm, then begin washing off."
GARETH WILSON — Hard Landscaping Expert & RHS Award Winner
"Some landscapers are stuck in their ways and they don't like change. Their attitude is, 'I've been doing this for 20 years… Why should I change now?' And some are quite rightly scared when they consider pouring Flowpoint onto their slabs — at the end of the day, you are pouring a cementitious slurry directly onto the pavers. It goes against everything that you've been taught. But Flowpoint has been developed so it doesn't stick to the paving."In addition to its British Standard rating and the strength of the product, it's also the speed at which you can install it. If you're going to be on your hands and knees with a trowel and a three-to-one mortar mix, it will take you about five times as long to install, compared with using Flowpoint. Flowpoint is just so easy and quick to install that it makes you money. It's a well-priced product and, in my view, a landscaper's friend. Ultimately, it means less time on the job and more profit in your pocket."
JORDAN CLAYTON
"Flowpoint is our go-to product when it comes to jointing all our paving. Like the rest of the materials, I love how it gives me confidence that the products will stand the test of time, allowing homeowners to enjoy their garden for years to come."
Owner of Next Level Landscapes Ltd. (Courtesy of Instarmac Group Plc)
Common Flowpoint Myths — Busted
| Myth | The Truth |
|---|---|
| Myth #1: Flowpoint is new | Flowpoint was developed by Instarmac around 25 years ago and has been used on thousands of major projects worldwide, including in New Zealand, Norway, America and Dubai. |
| Myth #2: Flowpoint Fine is just Flowpoint Smooth with a different name | Not at all. Flowpoint Fine has a genuinely different formulation — no visible aggregate, a different water ratio (3.4L per 20kg vs 4.25L per 25kg), a minimum joint width of 2mm rather than 3mm, and a tile-like finish that Smooth cannot replicate. |
| Myth #3: Flowpoint Fine only comes in Natural Grey and Charcoal | Flowpoint Fine comes in Natural Grey and Charcoal. But Instarmac also produce the same Fine formulation in Limestone and Stone Grey — sold under the name Porcelpoint. See Porcelpoint Limestone and Porcelpoint Stone Grey. |
| Myth #4: Flowpoint requires specialist equipment | Not at all. The only additional equipment you really need is a 110v paddle mixer and a long-handled neoprene squeegee. Most other items are standard paving tools. |
| Myth #5: Flowpoint sticks like glue to pavers | Although Flowpoint is rapid-setting, it doesn't set instantly. Keep the area damp and plan around the weather, particularly in hot temperatures. |
| Myth #6: Flowpoint causes cracking and low spots | Cracking and low spots can occur if Flowpoint is washed off too early. Timing is key — use the thumb test to check that the joints are firm before washing. |
| Myth #7: Flowpoint works with every paving material | Flowpoint works with most common paving materials but should not be used with black limestone without a temporary pre-sealer, as it can oxidise and cause staining. |
| Myth #8: Flowpoint causes efflorescence | When applied correctly, Flowpoint should not cause efflorescence. Problems are more likely when the mortar bed hasn't dried sufficiently or too much water is used in the mix. |
| Myth #9: Paving must be kept completely wet | The surface should be kept damp, not saturated. Too much water can dilute the Flowpoint mix and contribute to cracking or mortar failure. |
| Myth #10: Slabs must sit for 28 days before grouting | Not necessarily. The key is ensuring the bedding mortar has properly cured and there is no visible dampness. Always follow the manufacturer's guidance. |
Flowpoint Fine Charcoal Key Information
- Unit size: 20kg tub
- Colours: Charcoal & Natural Grey | Also available as Porcelpoint Limestone & Stone Grey (same formulation)
- Set time: 15 minutes at 20°C
- Open to foot traffic: 1 hour
- Open to vehicular traffic: 4 hours
- Classification: BS 7533
- No visible aggregate — super smooth, tile-like finish in bold charcoal
- Exceptional bond strength
- Shrinkage compensated
- Ideal for charcoal porcelain, granite setts, slate and darker natural stone
- Joint width: 2–50mm | Depth: 20–200mm
- Water requirement: 3.4 litres per 20kg tub
- Lasts up to 40 years without re-grouting
- Works in light rain
- Full pallet: 40 tubs
- Shelf life: 8 months (unopened)
Use Flowpoint Fine Charcoal with:
- Charcoal or grey porcelain (joints from 2mm)
- Granite setts
- Slate
- Darker sandstone and Indian Stone
- Yorkstone
- Concrete slabs and clay pavers
- Limestone (including darker limestone when used with a temporary pre-sealer)
Flowpoint Grades & Colours — Which One Do You Need?
| Grade | Colours Available | Joint Width | Joint Depth |
|---|---|---|---|
| Flowpoint Standard | Natural Grey & Charcoal | 5–50mm | 20–200mm |
| Flowpoint Premium Standard | Stone Grey, Limestone & Yorkstone | 5–50mm | 20–200mm |
| Flowpoint ECO | Natural Grey & Charcoal | 5–50mm | 20–200mm |
| Flowpoint Smooth | Natural Grey & Charcoal | 3–50mm | 20–200mm |
| Flowpoint Premium Smooth | Limestone, Stone Grey & Yorkstone | 3–50mm | 20–200mm |
| Flowpoint Fine | Natural Grey & Charcoal | 2–50mm | 20–200mm |
| Porcelpoint (Flowpoint Fine in Limestone & Stone Grey) | Stone Grey & Limestone | 2–50mm | 20–200mm |
Flowpoint Fine Approximate Coverage Guide (per 20kg tub)
- Porcelain (600×900, 3×20mm joints): approx. 30–40m²
- Natural Stone Mixed Packs: approx. 11–12m²
- Granite Setts: approx. 1.5–2m²
For the most accurate calculation, use The Paving Experts' Flowpoint Calculator on the product page.
Frequently Asked Questions about UltraScape Flowpoint Fine Charcoal
I'm Cleo, owner of The Paving Experts, with over 25 years in the construction industry, having worked with businesses such as Tarmac and Instarmac. I work alongside a small team of incredibly knowledgeable and caring individuals who share the same passion for getting it right. The FAQ answers below come from the questions we're asked every single day — so if yours isn't there, just give us a call.
What is Flowpoint Fine and how is it different from other Flowpoint grades?
Flowpoint Fine is the most specialist grade in the Flowpoint range. Unlike Standard, ECO and Smooth — which all have a visible aggregate finish — Flowpoint Fine has no visible aggregate at all, producing a super-smooth, tile-like joint. It fills joints from just 2mm, uses a different water ratio (3.4L per 20kg vs 4.25L per 25kg), and comes in a 20kg tub rather than a 25kg bag.
Why choose Charcoal over Natural Grey for Flowpoint Fine?
Charcoal creates a bolder, more defined joint that works particularly well with charcoal or grey porcelain, granite setts, slate and darker natural stones. The aggregate-free finish in Charcoal gives a crisp, contemporary look that frames the paving beautifully. Natural Grey is the more neutral option — if you're unsure which suits your stone, send us a photo and we'll advise.
Does Flowpoint Fine come in Limestone or Stone Grey?
Not under the Flowpoint Fine name — but effectively yes. When Instarmac introduced Limestone and Stone Grey to the Fine range, they gave them a new product name: Porcelpoint. It's the same ultra-fine, aggregate-free formulation as Flowpoint Fine, just in lighter, stone-matching colours. See Porcelpoint Limestone and Porcelpoint Stone Grey.
Can I use Flowpoint Fine Charcoal with black limestone?
Flowpoint can cause oxidisation on some darker limestones such as black limestone — however, the new generation of temporary pre-sealers, such as Tile Rite Patio Prep Temporary Sealer, prevent this. If you'd like advice on your specific stone, give us a call.
How long does Flowpoint Fine last?
When applied correctly, Flowpoint Fine can last beyond 30–40 years without the need to re-grout.
How long does Flowpoint Fine take to set?
Flowpoint Fine sets in approximately 15 minutes at 20°C and can be walked on within one hour. Because Flowpoint Fine sets quickly, it's important to work methodically and keep the surface damp — use the thumb test before washing off.
Is Flowpoint Fine permeable?
No — Flowpoint Fine is a non-permeable, cementitious-based grout. It must always be applied on a solid, non-permeable bed.
Can you use Flowpoint Fine in the rain?
Yes — light rain is fine, but ensure the joints don't fill with rainwater before you begin.
Do I need to pre-seal my slabs before using Flowpoint Fine Charcoal?
If using a temporary pre-grout sealer (such as Tile Rite Patio Prep or Nexus ProJoint Pre-Grout): do not pre-soak the paving. The sealer acts as the protective barrier.
If not using a temporary sealer: thoroughly wet the paving with a hose spray before applying, then remove all standing or ponded water — a leaf blower is ideal.
What is the shelf life of Flowpoint Fine?
8 months from the date of manufacture (printed on the tub), for unopened, sealed tubs stored in a cool, dry, frost-free area between 5°C and 30°C.
How much Flowpoint Fine do I need?
Use the Flowpoint Calculator on this page for an accurate estimate. As a guide, one 20kg tub covers approximately 11–12m² for natural stone mixed packs, and up to 30–40m² for large-format porcelain with narrow joints.
Watch the video...
Please note: Flowpoint Fine and Porcelpoint require 3.4 litres of clean water per 20kg tub, whereas Flowpoint Standard, Smooth, ECO and Premium require 4.25 litres of water per 25kg bag. Do not use the Standard water ratio for Fine.
Want to learn more about UltraScape Flowpoint?
Read our blog post 'What is Flowpoint', or for more in-depth questions see our Flowpoint FAQs.
Want to order a pallet quantity?
Click here to be diverted to our 40 tub full pallet deal, which includes free standard delivery.
Need a paving primer & bedding mortar?
We recommend using the full UltraScape BS 7533 Mortar Paving System — including rapid-strength fine bedding concrete EcoBed, priming slurry Pro-Prime, and flowable jointing grout Flowpoint.
If you'd like to know more about Flowpoint Fine Charcoal, which grade is right for your project, or need advice on colour-matching — don't hesitate to get in touch or call us on 0330 122 1025.
- Brand: Instarmac
- Product Type: Paving Grout
- SKU: TPE-FLOFINECHAR
- Weight: 20.0 kg / 44.09 lb
Delivery & Returns Info
Our delivery charges are calculated based on the size and weight of your order. When you add items to your basket, the delivery charges are displayed. Small orders are distributed via courier; larger orders via Pallet Network. Collection is available from our Tamworth depot by request (contact us first to arrange on 0330 122 1025).
Please note, there is a slight surcharge for areas that are outside of our locality, charges calculated at checkout.
| Weight and size | Next Working Day* Order before 1PM (excl. VAT) |
Standard 3-5 Working Day (excl. VAT) |
|---|---|---|
| 0-13KG (1 small bag/tub) |
£14.00 | £9.00 |
| 13.01-25KG (1 large bag/tub) |
£16.00 | £10.00 |
| 25.01-50KG (2 bags/tubs) |
£26.00 | £19.00 |
| 50.01-75KG (3 bags/tubs) |
£36.00 | £28.00 |
| 75.01-100KG (4-5 bags/tubs) |
£46.00 | £37.00 |
| 100.01-249KG (6-9 bags/tubs) |
£60.00 | £45.00 |
| 249.01-750KG (10 bags plus) |
£68.00 | £48.00 |
| 750.01KG plus (30 bags plus) |
£75.00 | £55.00 |
| Full Pallets (56 bags/52 tubs) |
£88.00 | Free of charge |
| Next Working Day delivery (Premium 1-2 Working Day Service) | +avg. £5-10 Extra. Click here for prices |
|---|---|
| Scotland Delivery Service (Deliveries into some parts of Scotland can take 8-10 working days) | Click here for prices |
| Local Delivery & Click & Collect: | Email: orders@thepavingexperts.co.uk |
Delivery Information
- Prices apply to mainland England and Wales. Scottish delivery slight surcharge.
- Orders are packed and dispatched Monday–Friday (excluding weekends & public holidays).
Next Working Day Delivery
- Order before 1PM → same-day dispatch.
- Order after 1PM or on weekends/bank holidays → next working day dispatch.
- You'll receive tracking updates via email/SMS if you provide your details.
Delivery Examples
- Mon before 1PM → Packed Mon, delivered Tue.
- Mon after 1PM → Packed Tues delivered Wed.
- Fri before 1PM → Packed Fri, delivered Mon.
- Fri after 1PM/weekend → Packed Mon, delivered Tues (or Wed after a bank holiday).
- Standard Service: 3–5 working days.
Notes
- Occasional delays due to manufacturing, supply, or courier issues may happen, but we'll keep you informed.
Returns, cancel up to 14 days from date of delivery. Product to be returned in the same condition & packaging. No returns for cementitious & perishable products. You are responsible for the cost of returning goods to The Paving Experts, 20% admin restock fee applies. Need further info, click here.
For further detailed delivery information click here →
For any advice; technical, product, stock or quantity needed, call our team on 0330 122 1025.
Please see our FAQs for more information.
UltraScape Flowpoint Fine Rapid Set External Paving Grout | Charcoal
'The Finest Flowpoint Grade in Charcoal — No Visible Aggregate, Joints from 2mm — Perfect for Charcoal Porcelain, Granite Setts & Darker Natural Stone'
UltraScape Flowpoint Fine Charcoal is one of the most technically impressive grouts in the Flowpoint range — combining the ultra-fine, aggregate-free finish of Flowpoint Fine (joints from just 2mm) with a bold charcoal tone that's particularly well suited to charcoal or grey porcelain, granite setts, slate and darker natural stones where a defined, colour-matched joint makes all the difference. It's a product our customers consistently come back to tell us they're delighted with.
Rapid-setting in 15 minutes at 20°C, BS 7533 compliant, suitable for joints 2–50mm wide and 20–200mm deep, supplied in 20kg tubs, and built to last up to 40 years — Flowpoint Fine Charcoal is a professional-strength paving grout that delivers a finish unlike anything else in the slurry grout market.
We're a small, family-run business — I'm Cleo, the owner, with over 25 years in the construction industry, having worked with businesses such as Tarmac and Instarmac. I work alongside a team of incredibly knowledgeable and caring individuals, and between us we've seen a lot of paving grouts come and go. Flowpoint Fine Charcoal is the product we reach for when a contractor wants the finest possible joint finish in a dark tone — the aggregate-free surface is genuinely striking against charcoal porcelain or granite setts.
If you're jointing charcoal or grey porcelain, granite setts, slate, or darker natural stone — and particularly if your joints are narrower than 3mm — Flowpoint Fine Charcoal is the product we'd confidently recommend. With darker limestones, Flowpoint can cause oxidisation — however, the new generation of temporary pre-sealers such as Tile Rite Patio Prep Temporary Sealer prevent this, making Flowpoint a viable option even for darker stones when used correctly. If you're unsure, read our black limestone blog or give us a call.
UltraScape Flowpoint Fine Charcoal is a flowable, rapid-setting, cement-based paving grout with an ultra-fine, aggregate-free finish. Supplied in 20kg tubs, it fills joints from just 2mm, sets in 15 minutes, and produces a seamless, smooth joint in a bold charcoal tone. Simply mixed with water, it is poured across the paving, squeegeed into the joints, and cleaned down to reveal strong, durable, weed-free joints that can last up to 40 years.
What Makes Flowpoint Fine Different?
Flowpoint Fine sits at the top of the Flowpoint range in terms of finish quality. Here's how it compares to the other grades:
| Feature | Flowpoint Standard / ECO | Flowpoint Smooth | Flowpoint Fine |
|---|---|---|---|
| Minimum joint width | 5mm | 3mm | 2mm |
| Aggregate finish | Visible aggregate | Fine aggregate | No visible aggregate |
| Surface finish | Textured | Smooth | Super smooth / tile-like |
| Unit size | 25kg bag | 25kg bag | 20kg tub |
| Water ratio | 4.25L per 25kg | 4.25L per 25kg | 3.4L per 20kg |
| Best for | General paving, granite setts | Porcelain, narrow joints | Porcelain, smooth stone, inside-outside |
Want the Fine Finish in a Lighter Colour? Meet Porcelpoint.
Flowpoint Fine comes in two colours: Natural Grey and Charcoal. When Instarmac introduced Limestone and Stone Grey to the Fine range, they gave them a new name: Porcelpoint. It's essentially the same product — the same ultra-fine, aggregate-free formulation, the same water ratio, the same performance — just in lighter, stone-matching tones.
- Porcelpoint Stone Grey — a warm, mid-tone grey for light porcelain, pale sandstone and limestone
- Porcelpoint Limestone — a soft, creamy tone for limestone, buff sandstone and light natural stone
Not sure which colour suits your stone? Send us a photo and we'll advise.
What Do Industry Experts Say About Flowpoint Fine?
We asked Gareth Wilson, one of the UK's most respected hard landscaping experts, for his view on Flowpoint Fine specifically. Gareth has 30 years in the landscaping trade, 30 Royal Horticultural Show (RHS) awards for show garden construction, and now works as an expert witness in hard landscaping.
GARETH WILSON — Hard Landscaping Expert & RHS Award Winner
"As with other Flowpoint grades, be patient and hold your nerve so you don't wash the product off too soon. Too many contractors start washing off when the product starts to dry on the slabs. You need to keep the slabs damp with a mist of water so it doesn't go off on them too soon. Always make sure Flowpoint Fine is set in the joint before washing it off. Keep your eye on the firmness of the joint — just with a little thumb test. Once firm, then begin washing off."
GARETH WILSON — Hard Landscaping Expert & RHS Award Winner
"Some landscapers are stuck in their ways and they don't like change. Their attitude is, 'I've been doing this for 20 years… Why should I change now?' And some are quite rightly scared when they consider pouring Flowpoint onto their slabs — at the end of the day, you are pouring a cementitious slurry directly onto the pavers. It goes against everything that you've been taught. But Flowpoint has been developed so it doesn't stick to the paving."In addition to its British Standard rating and the strength of the product, it's also the speed at which you can install it. If you're going to be on your hands and knees with a trowel and a three-to-one mortar mix, it will take you about five times as long to install, compared with using Flowpoint. Flowpoint is just so easy and quick to install that it makes you money. It's a well-priced product and, in my view, a landscaper's friend. Ultimately, it means less time on the job and more profit in your pocket."
JORDAN CLAYTON
"Flowpoint is our go-to product when it comes to jointing all our paving. Like the rest of the materials, I love how it gives me confidence that the products will stand the test of time, allowing homeowners to enjoy their garden for years to come."
Owner of Next Level Landscapes Ltd. (Courtesy of Instarmac Group Plc)
Common Flowpoint Myths — Busted
| Myth | The Truth |
|---|---|
| Myth #1: Flowpoint is new | Flowpoint was developed by Instarmac around 25 years ago and has been used on thousands of major projects worldwide, including in New Zealand, Norway, America and Dubai. |
| Myth #2: Flowpoint Fine is just Flowpoint Smooth with a different name | Not at all. Flowpoint Fine has a genuinely different formulation — no visible aggregate, a different water ratio (3.4L per 20kg vs 4.25L per 25kg), a minimum joint width of 2mm rather than 3mm, and a tile-like finish that Smooth cannot replicate. |
| Myth #3: Flowpoint Fine only comes in Natural Grey and Charcoal | Flowpoint Fine comes in Natural Grey and Charcoal. But Instarmac also produce the same Fine formulation in Limestone and Stone Grey — sold under the name Porcelpoint. See Porcelpoint Limestone and Porcelpoint Stone Grey. |
| Myth #4: Flowpoint requires specialist equipment | Not at all. The only additional equipment you really need is a 110v paddle mixer and a long-handled neoprene squeegee. Most other items are standard paving tools. |
| Myth #5: Flowpoint sticks like glue to pavers | Although Flowpoint is rapid-setting, it doesn't set instantly. Keep the area damp and plan around the weather, particularly in hot temperatures. |
| Myth #6: Flowpoint causes cracking and low spots | Cracking and low spots can occur if Flowpoint is washed off too early. Timing is key — use the thumb test to check that the joints are firm before washing. |
| Myth #7: Flowpoint works with every paving material | Flowpoint works with most common paving materials but should not be used with black limestone without a temporary pre-sealer, as it can oxidise and cause staining. |
| Myth #8: Flowpoint causes efflorescence | When applied correctly, Flowpoint should not cause efflorescence. Problems are more likely when the mortar bed hasn't dried sufficiently or too much water is used in the mix. |
| Myth #9: Paving must be kept completely wet | The surface should be kept damp, not saturated. Too much water can dilute the Flowpoint mix and contribute to cracking or mortar failure. |
| Myth #10: Slabs must sit for 28 days before grouting | Not necessarily. The key is ensuring the bedding mortar has properly cured and there is no visible dampness. Always follow the manufacturer's guidance. |
Flowpoint Fine Charcoal Key Information
- Unit size: 20kg tub
- Colours: Charcoal & Natural Grey | Also available as Porcelpoint Limestone & Stone Grey (same formulation)
- Set time: 15 minutes at 20°C
- Open to foot traffic: 1 hour
- Open to vehicular traffic: 4 hours
- Classification: BS 7533
- No visible aggregate — super smooth, tile-like finish in bold charcoal
- Exceptional bond strength
- Shrinkage compensated
- Ideal for charcoal porcelain, granite setts, slate and darker natural stone
- Joint width: 2–50mm | Depth: 20–200mm
- Water requirement: 3.4 litres per 20kg tub
- Lasts up to 40 years without re-grouting
- Works in light rain
- Full pallet: 40 tubs
- Shelf life: 8 months (unopened)
Use Flowpoint Fine Charcoal with:
- Charcoal or grey porcelain (joints from 2mm)
- Granite setts
- Slate
- Darker sandstone and Indian Stone
- Yorkstone
- Concrete slabs and clay pavers
- Limestone (including darker limestone when used with a temporary pre-sealer)
Flowpoint Grades & Colours — Which One Do You Need?
| Grade | Colours Available | Joint Width | Joint Depth |
|---|---|---|---|
| Flowpoint Standard | Natural Grey & Charcoal | 5–50mm | 20–200mm |
| Flowpoint Premium Standard | Stone Grey, Limestone & Yorkstone | 5–50mm | 20–200mm |
| Flowpoint ECO | Natural Grey & Charcoal | 5–50mm | 20–200mm |
| Flowpoint Smooth | Natural Grey & Charcoal | 3–50mm | 20–200mm |
| Flowpoint Premium Smooth | Limestone, Stone Grey & Yorkstone | 3–50mm | 20–200mm |
| Flowpoint Fine | Natural Grey & Charcoal | 2–50mm | 20–200mm |
| Porcelpoint (Flowpoint Fine in Limestone & Stone Grey) | Stone Grey & Limestone | 2–50mm | 20–200mm |
Flowpoint Fine Approximate Coverage Guide (per 20kg tub)
- Porcelain (600×900, 3×20mm joints): approx. 30–40m²
- Natural Stone Mixed Packs: approx. 11–12m²
- Granite Setts: approx. 1.5–2m²
For the most accurate calculation, use The Paving Experts' Flowpoint Calculator on the product page.
Frequently Asked Questions about UltraScape Flowpoint Fine Charcoal
I'm Cleo, owner of The Paving Experts, with over 25 years in the construction industry, having worked with businesses such as Tarmac and Instarmac. I work alongside a small team of incredibly knowledgeable and caring individuals who share the same passion for getting it right. The FAQ answers below come from the questions we're asked every single day — so if yours isn't there, just give us a call.
What is Flowpoint Fine and how is it different from other Flowpoint grades?
Flowpoint Fine is the most specialist grade in the Flowpoint range. Unlike Standard, ECO and Smooth — which all have a visible aggregate finish — Flowpoint Fine has no visible aggregate at all, producing a super-smooth, tile-like joint. It fills joints from just 2mm, uses a different water ratio (3.4L per 20kg vs 4.25L per 25kg), and comes in a 20kg tub rather than a 25kg bag.
Why choose Charcoal over Natural Grey for Flowpoint Fine?
Charcoal creates a bolder, more defined joint that works particularly well with charcoal or grey porcelain, granite setts, slate and darker natural stones. The aggregate-free finish in Charcoal gives a crisp, contemporary look that frames the paving beautifully. Natural Grey is the more neutral option — if you're unsure which suits your stone, send us a photo and we'll advise.
Does Flowpoint Fine come in Limestone or Stone Grey?
Not under the Flowpoint Fine name — but effectively yes. When Instarmac introduced Limestone and Stone Grey to the Fine range, they gave them a new product name: Porcelpoint. It's the same ultra-fine, aggregate-free formulation as Flowpoint Fine, just in lighter, stone-matching colours. See Porcelpoint Limestone and Porcelpoint Stone Grey.
Can I use Flowpoint Fine Charcoal with black limestone?
Flowpoint can cause oxidisation on some darker limestones such as black limestone — however, the new generation of temporary pre-sealers, such as Tile Rite Patio Prep Temporary Sealer, prevent this. If you'd like advice on your specific stone, give us a call.
How long does Flowpoint Fine last?
When applied correctly, Flowpoint Fine can last beyond 30–40 years without the need to re-grout.
How long does Flowpoint Fine take to set?
Flowpoint Fine sets in approximately 15 minutes at 20°C and can be walked on within one hour. Because Flowpoint Fine sets quickly, it's important to work methodically and keep the surface damp — use the thumb test before washing off.
Is Flowpoint Fine permeable?
No — Flowpoint Fine is a non-permeable, cementitious-based grout. It must always be applied on a solid, non-permeable bed.
Can you use Flowpoint Fine in the rain?
Yes — light rain is fine, but ensure the joints don't fill with rainwater before you begin.
Do I need to pre-seal my slabs before using Flowpoint Fine Charcoal?
If using a temporary pre-grout sealer (such as Tile Rite Patio Prep or Nexus ProJoint Pre-Grout): do not pre-soak the paving. The sealer acts as the protective barrier.
If not using a temporary sealer: thoroughly wet the paving with a hose spray before applying, then remove all standing or ponded water — a leaf blower is ideal.
What is the shelf life of Flowpoint Fine?
8 months from the date of manufacture (printed on the tub), for unopened, sealed tubs stored in a cool, dry, frost-free area between 5°C and 30°C.
How much Flowpoint Fine do I need?
Use the Flowpoint Calculator on this page for an accurate estimate. As a guide, one 20kg tub covers approximately 11–12m² for natural stone mixed packs, and up to 30–40m² for large-format porcelain with narrow joints.
Watch the video...
Please note: Flowpoint Fine and Porcelpoint require 3.4 litres of clean water per 20kg tub, whereas Flowpoint Standard, Smooth, ECO and Premium require 4.25 litres of water per 25kg bag. Do not use the Standard water ratio for Fine.
Want to learn more about UltraScape Flowpoint?
Read our blog post 'What is Flowpoint', or for more in-depth questions see our Flowpoint FAQs.
Want to order a pallet quantity?
Click here to be diverted to our 40 tub full pallet deal, which includes free standard delivery.
Need a paving primer & bedding mortar?
We recommend using the full UltraScape BS 7533 Mortar Paving System — including rapid-strength fine bedding concrete EcoBed, priming slurry Pro-Prime, and flowable jointing grout Flowpoint.
If you'd like to know more about Flowpoint Fine Charcoal, which grade is right for your project, or need advice on colour-matching — don't hesitate to get in touch or call us on 0330 122 1025.
Flowpoint Fine Charcoal — Full Technical Information
Product Overview
UltraScape Flowpoint Fine Charcoal is the most specialist grade in the Flowpoint range in a bold charcoal tone — a rapid-setting, flowable, cement-based paving grout with no visible aggregate, for external use. Its ultra-fine formulation fills joints from just 2mm and produces a super-smooth, tile-like finish in charcoal. Supplied in 20kg tubs with a water ratio of 3.4L per 20kg. Conforms to BS 7533.
Performance Data
| Property | Value |
|---|---|
| Classification | BS 7533 |
| Aggregate finish | No visible aggregate — super smooth, tile-like |
| Bond (adhesion) strength | 1.5N/mm² after 28 days |
| Compressive strength | 49.6N/mm² after 28 days |
| Flexural strength | 7.1N/mm² after 28 days |
| Tensile strength | 3.91N/mm² after 28 days |
| Shrinkage | Shrinkage compensated |
| Initial set | 15 minutes at 20°C |
| Open to foot traffic | 1 hour |
| Open to vehicular traffic | 4 hours |
| Expected service life | Up to 40 years |
| Permeability | Non-permeable (impermeable bed required) |
| Weather resistance | Can be applied in light rain |
| Frost resistance | Do not apply below 3°C or if frost expected within 24 hours |
Application Data
| Property | Value |
|---|---|
| Water requirement | 3.4 litres per 20kg tub (different from other Flowpoint grades) |
| Mixing time | 3–5 minutes |
| Working time after mixing | 5–15 minutes |
| Joint width | 2–50mm |
| Joint depth | 20–200mm (single application) |
| Supply format | 20kg plastic tubs (pre-mixed dry-pack — just add water) |
| Full pallet | 40 tubs |
| Colours available | Charcoal & Natural Grey (Limestone & Stone Grey available as Porcelpoint) |
Coverage Guide (approximate, per 20kg tub)
| Paving Type | Approximate Coverage |
|---|---|
| Porcelain Paving (600×900, 3×20mm joints) | approx. 30–40m² |
| Natural Stone (mixed pack) | 11–12m² |
| Granite Setts | 1.5–2m² |
Suitable Substrates
- Charcoal or grey porcelain (joints from 2mm)
- Granite setts
- Slate
- Darker sandstone and Indian Stone
- Yorkstone
- Concrete slabs and clay pavers
- Limestone (including darker limestone when used with a temporary pre-sealer)
Note: Not recommended for use on some darker limestones (e.g. black limestone) without a temporary pre-sealer. Contact us for advice.
Storage & Shelf Life
- Shelf life: 8 months from date of manufacture (printed on the tub)
- Store in a cool, dry, frost-free area between 5°C and 30°C, in unopened, sealed tubs
- Using after the declared storage period may increase the risk of an allergic reaction
Health & Safety
- Contains cement — wear appropriate PPE including gloves and eye protection
- Wet cement can cause serious skin burns — avoid prolonged skin contact
- Wash hands and exposed skin thoroughly after use
- Keep out of reach of children
- Full Safety Data Sheet (SDS) available on request or from the UltraScape website
For the full technical datasheet, download the PDF here. For project-specific advice, get in touch or call us on 0330 122 1025.
How to Mix & Apply UltraScape Flowpoint Fine Charcoal Paving Grout
Important — water ratio: Flowpoint Fine uses 3.4 litres of clean water per 20kg tub. This is different from Flowpoint Standard, Smooth, ECO and Premium, which use 4.25 litres per 25kg bag. Using the wrong water ratio will affect the finish and joint strength.
Important — drainage: Ensure you have somewhere to push excess slurry grout, such as an area of lifted grass or a waste bucket. Never push excess Flowpoint into drains — it is a rapid-setting grout and will create a permanent blockage.
Step 1 — Preparation
Without a temporary pre-sealer (standard method):
- Ensure joints are clean and free from debris, dust and loose material.
- Thoroughly pre-soak the paving surface and joints with water — the paving must be properly wet before you begin.
- Then remove all standing or ponded water from the surface and from within the joints — a leaf blower is ideal. The paving should be damp, not waterlogged.
- Keep the surface moist throughout application by misting with a soft spray of water as you work.
With a temporary pre-grout sealer (e.g. Tile Rite Patio Prep or Nexus ProJoint Pre-Grout):
- Apply the temporary sealer to the paving in advance and allow it to dry as per the product instructions.
- Do not pre-soak the paving with water. The temporary sealer acts as the protective barrier — water is not required until clean-down.
- Remove any standing water from the joints using a leaf blower before grouting begins.
- Always carry out a small trial area first to ensure compatibility with your stone type.
Step 2 — Mixing
- Add 3.4 litres of clean water per 20kg tub into a clean bucket or mixing vessel.
- Gradually add the Flowpoint Fine powder to the water and mix for 3–5 minutes until smooth and lump-free. Use a slow-speed drill and paddle mixer for best results.
- Only mix what you can apply in approximately 5–15 minutes — do not store liquid mortar.
- Never remix or add extra water once mixed.
Step 3 — Application
- Pour the mixed grout directly onto the paving surface.
- Using a neoprene squeegee & 3 section pole, carefully force the mortar into the joints. Flowpoint Fine's ultra-fine consistency flows exceptionally well into narrow joints — work methodically to ensure all joints are fully filled.
- Use the squeegee to remove as much excess mortar as possible from the surface as you go.
- If not using a temporary pre-sealer, keep the surface constantly moist using a soft spray of water. If using a pre-sealer, water is not required until clean-down.
- Be patient — use the thumb test: always check the joint is firm before washing off.
- Once the jointing mortar has reached its initial set, clean the paving surface thoroughly using a brush and copious amounts of clean water. No mortar must be allowed to remain on the surface.
- Wash all tools frequently during application.
Step 4 — Trafficking
- Foot traffic: after 1 hour (at 20°C)
- Vehicular traffic: after 4 hours (at 20°C)
- Cool temperatures retard set; warm temperatures accelerate it. Avoid applying in direct sunlight or during frost.
Important Precautions
- Wear appropriate PPE — avoid skin and eye contact. Wet cement can cause serious burns.
- Never remix or add extra water to the mix once prepared.
- Do not use the Standard/Smooth water ratio (4.25L) for Flowpoint Fine — always use 3.4L per 20kg tub.
- Never push excess Flowpoint into drains — it will set and cause a permanent blockage.
- Do not apply below 3°C or if frost is expected within 24 hours.
- Do not apply in direct sunlight.
- Store in a cool, dry, frost-free area between 5°C and 30°C. Shelf life: 8 months from date of manufacture (printed on the tub).
Delivery & Returns Info
Our delivery charges are calculated based on the size and weight of your order. When you add items to your basket, the delivery charges are displayed. Small orders are distributed via courier; larger orders via Pallet Network. Collection is available from our Tamworth depot by request (contact us first to arrange on 0330 122 1025).
Please note, there is a slight surcharge for areas that are outside of our locality, charges calculated at checkout.
| Weight and size | Next Working Day* Order before 1PM (excl. VAT) |
Standard 3-5 Working Day (excl. VAT) |
|---|---|---|
| 0-13KG (1 small bag/tub) |
£14.00 | £9.00 |
| 13.01-25KG (1 large bag/tub) |
£16.00 | £10.00 |
| 25.01-50KG (2 bags/tubs) |
£26.00 | £19.00 |
| 50.01-75KG (3 bags/tubs) |
£36.00 | £28.00 |
| 75.01-100KG (4-5 bags/tubs) |
£46.00 | £37.00 |
| 100.01-249KG (6-9 bags/tubs) |
£60.00 | £45.00 |
| 249.01-750KG (10 bags plus) |
£68.00 | £48.00 |
| 750.01KG plus (30 bags plus) |
£75.00 | £55.00 |
| Full Pallets (56 bags/52 tubs) |
£88.00 | Free of charge |
| Next Working Day delivery (Premium 1-2 Working Day Service) | +avg. £5-10 Extra. Click here for prices |
|---|---|
| Scotland Delivery Service (Deliveries into some parts of Scotland can take 8-10 working days) | Click here for prices |
| Local Delivery & Click & Collect: | Email: orders@thepavingexperts.co.uk |
Delivery Information
- Prices apply to mainland England and Wales. Scottish delivery slight surcharge.
- Orders are packed and dispatched Monday–Friday (excluding weekends & public holidays).
Next Working Day Delivery
- Order before 1PM → same-day dispatch.
- Order after 1PM or on weekends/bank holidays → next working day dispatch.
- You'll receive tracking updates via email/SMS if you provide your details.
Delivery Examples
- Mon before 1PM → Packed Mon, delivered Tue.
- Mon after 1PM → Packed Tues delivered Wed.
- Fri before 1PM → Packed Fri, delivered Mon.
- Fri after 1PM/weekend → Packed Mon, delivered Tues (or Wed after a bank holiday).
- Standard Service: 3–5 working days.
Notes
- Occasional delays due to manufacturing, supply, or courier issues may happen, but we'll keep you informed.
Returns, cancel up to 14 days from date of delivery. Product to be returned in the same condition & packaging. No returns for cementitious & perishable products. You are responsible for the cost of returning goods to The Paving Experts, 20% admin restock fee applies. Need further info, click here.
For further detailed delivery information click here →
UltraScape Flowpoint Fine Rapid Set External Paving Grout | Charcoal
'The Finest Flowpoint Grade in Charcoal — No Visible Aggregate, Joints from 2mm — Perfect for Charcoal Porcelain, Granite Setts & Darker Natural Stone'
UltraScape Flowpoint Fine Charcoal is one of the most technically impressive grouts in the Flowpoint range — combining the ultra-fine, aggregate-free finish of Flowpoint Fine (joints from just 2mm) with a bold charcoal tone that's particularly well suited to charcoal or grey porcelain, granite setts, slate and darker natural stones where a defined, colour-matched joint makes all the difference. It's a product our customers consistently come back to tell us they're delighted with.
Rapid-setting in 15 minutes at 20°C, BS 7533 compliant, suitable for joints 2–50mm wide and 20–200mm deep, supplied in 20kg tubs, and built to last up to 40 years — Flowpoint Fine Charcoal is a professional-strength paving grout that delivers a finish unlike anything else in the slurry grout market.
We're a small, family-run business — I'm Cleo, the owner, with over 25 years in the construction industry, having worked with businesses such as Tarmac and Instarmac. I work alongside a team of incredibly knowledgeable and caring individuals, and between us we've seen a lot of paving grouts come and go. Flowpoint Fine Charcoal is the product we reach for when a contractor wants the finest possible joint finish in a dark tone — the aggregate-free surface is genuinely striking against charcoal porcelain or granite setts.
If you're jointing charcoal or grey porcelain, granite setts, slate, or darker natural stone — and particularly if your joints are narrower than 3mm — Flowpoint Fine Charcoal is the product we'd confidently recommend. With darker limestones, Flowpoint can cause oxidisation — however, the new generation of temporary pre-sealers such as Tile Rite Patio Prep Temporary Sealer prevent this, making Flowpoint a viable option even for darker stones when used correctly. If you're unsure, read our black limestone blog or give us a call.
UltraScape Flowpoint Fine Charcoal is a flowable, rapid-setting, cement-based paving grout with an ultra-fine, aggregate-free finish. Supplied in 20kg tubs, it fills joints from just 2mm, sets in 15 minutes, and produces a seamless, smooth joint in a bold charcoal tone. Simply mixed with water, it is poured across the paving, squeegeed into the joints, and cleaned down to reveal strong, durable, weed-free joints that can last up to 40 years.
What Makes Flowpoint Fine Different?
Flowpoint Fine sits at the top of the Flowpoint range in terms of finish quality. Here's how it compares to the other grades:
| Feature | Flowpoint Standard / ECO | Flowpoint Smooth | Flowpoint Fine |
|---|---|---|---|
| Minimum joint width | 5mm | 3mm | 2mm |
| Aggregate finish | Visible aggregate | Fine aggregate | No visible aggregate |
| Surface finish | Textured | Smooth | Super smooth / tile-like |
| Unit size | 25kg bag | 25kg bag | 20kg tub |
| Water ratio | 4.25L per 25kg | 4.25L per 25kg | 3.4L per 20kg |
| Best for | General paving, granite setts | Porcelain, narrow joints | Porcelain, smooth stone, inside-outside |
Want the Fine Finish in a Lighter Colour? Meet Porcelpoint.
Flowpoint Fine comes in two colours: Natural Grey and Charcoal. When Instarmac introduced Limestone and Stone Grey to the Fine range, they gave them a new name: Porcelpoint. It's essentially the same product — the same ultra-fine, aggregate-free formulation, the same water ratio, the same performance — just in lighter, stone-matching tones.
- Porcelpoint Stone Grey — a warm, mid-tone grey for light porcelain, pale sandstone and limestone
- Porcelpoint Limestone — a soft, creamy tone for limestone, buff sandstone and light natural stone
Not sure which colour suits your stone? Send us a photo and we'll advise.
What Do Industry Experts Say About Flowpoint Fine?
We asked Gareth Wilson, one of the UK's most respected hard landscaping experts, for his view on Flowpoint Fine specifically. Gareth has 30 years in the landscaping trade, 30 Royal Horticultural Show (RHS) awards for show garden construction, and now works as an expert witness in hard landscaping.
GARETH WILSON — Hard Landscaping Expert & RHS Award Winner
"As with other Flowpoint grades, be patient and hold your nerve so you don't wash the product off too soon. Too many contractors start washing off when the product starts to dry on the slabs. You need to keep the slabs damp with a mist of water so it doesn't go off on them too soon. Always make sure Flowpoint Fine is set in the joint before washing it off. Keep your eye on the firmness of the joint — just with a little thumb test. Once firm, then begin washing off."
GARETH WILSON — Hard Landscaping Expert & RHS Award Winner
"Some landscapers are stuck in their ways and they don't like change. Their attitude is, 'I've been doing this for 20 years… Why should I change now?' And some are quite rightly scared when they consider pouring Flowpoint onto their slabs — at the end of the day, you are pouring a cementitious slurry directly onto the pavers. It goes against everything that you've been taught. But Flowpoint has been developed so it doesn't stick to the paving."In addition to its British Standard rating and the strength of the product, it's also the speed at which you can install it. If you're going to be on your hands and knees with a trowel and a three-to-one mortar mix, it will take you about five times as long to install, compared with using Flowpoint. Flowpoint is just so easy and quick to install that it makes you money. It's a well-priced product and, in my view, a landscaper's friend. Ultimately, it means less time on the job and more profit in your pocket."
JORDAN CLAYTON
"Flowpoint is our go-to product when it comes to jointing all our paving. Like the rest of the materials, I love how it gives me confidence that the products will stand the test of time, allowing homeowners to enjoy their garden for years to come."
Owner of Next Level Landscapes Ltd. (Courtesy of Instarmac Group Plc)
Common Flowpoint Myths — Busted
| Myth | The Truth |
|---|---|
| Myth #1: Flowpoint is new | Flowpoint was developed by Instarmac around 25 years ago and has been used on thousands of major projects worldwide, including in New Zealand, Norway, America and Dubai. |
| Myth #2: Flowpoint Fine is just Flowpoint Smooth with a different name | Not at all. Flowpoint Fine has a genuinely different formulation — no visible aggregate, a different water ratio (3.4L per 20kg vs 4.25L per 25kg), a minimum joint width of 2mm rather than 3mm, and a tile-like finish that Smooth cannot replicate. |
| Myth #3: Flowpoint Fine only comes in Natural Grey and Charcoal | Flowpoint Fine comes in Natural Grey and Charcoal. But Instarmac also produce the same Fine formulation in Limestone and Stone Grey — sold under the name Porcelpoint. See Porcelpoint Limestone and Porcelpoint Stone Grey. |
| Myth #4: Flowpoint requires specialist equipment | Not at all. The only additional equipment you really need is a 110v paddle mixer and a long-handled neoprene squeegee. Most other items are standard paving tools. |
| Myth #5: Flowpoint sticks like glue to pavers | Although Flowpoint is rapid-setting, it doesn't set instantly. Keep the area damp and plan around the weather, particularly in hot temperatures. |
| Myth #6: Flowpoint causes cracking and low spots | Cracking and low spots can occur if Flowpoint is washed off too early. Timing is key — use the thumb test to check that the joints are firm before washing. |
| Myth #7: Flowpoint works with every paving material | Flowpoint works with most common paving materials but should not be used with black limestone without a temporary pre-sealer, as it can oxidise and cause staining. |
| Myth #8: Flowpoint causes efflorescence | When applied correctly, Flowpoint should not cause efflorescence. Problems are more likely when the mortar bed hasn't dried sufficiently or too much water is used in the mix. |
| Myth #9: Paving must be kept completely wet | The surface should be kept damp, not saturated. Too much water can dilute the Flowpoint mix and contribute to cracking or mortar failure. |
| Myth #10: Slabs must sit for 28 days before grouting | Not necessarily. The key is ensuring the bedding mortar has properly cured and there is no visible dampness. Always follow the manufacturer's guidance. |
Flowpoint Fine Charcoal Key Information
- Unit size: 20kg tub
- Colours: Charcoal & Natural Grey | Also available as Porcelpoint Limestone & Stone Grey (same formulation)
- Set time: 15 minutes at 20°C
- Open to foot traffic: 1 hour
- Open to vehicular traffic: 4 hours
- Classification: BS 7533
- No visible aggregate — super smooth, tile-like finish in bold charcoal
- Exceptional bond strength
- Shrinkage compensated
- Ideal for charcoal porcelain, granite setts, slate and darker natural stone
- Joint width: 2–50mm | Depth: 20–200mm
- Water requirement: 3.4 litres per 20kg tub
- Lasts up to 40 years without re-grouting
- Works in light rain
- Full pallet: 40 tubs
- Shelf life: 8 months (unopened)
Use Flowpoint Fine Charcoal with:
- Charcoal or grey porcelain (joints from 2mm)
- Granite setts
- Slate
- Darker sandstone and Indian Stone
- Yorkstone
- Concrete slabs and clay pavers
- Limestone (including darker limestone when used with a temporary pre-sealer)
Flowpoint Grades & Colours — Which One Do You Need?
| Grade | Colours Available | Joint Width | Joint Depth |
|---|---|---|---|
| Flowpoint Standard | Natural Grey & Charcoal | 5–50mm | 20–200mm |
| Flowpoint Premium Standard | Stone Grey, Limestone & Yorkstone | 5–50mm | 20–200mm |
| Flowpoint ECO | Natural Grey & Charcoal | 5–50mm | 20–200mm |
| Flowpoint Smooth | Natural Grey & Charcoal | 3–50mm | 20–200mm |
| Flowpoint Premium Smooth | Limestone, Stone Grey & Yorkstone | 3–50mm | 20–200mm |
| Flowpoint Fine | Natural Grey & Charcoal | 2–50mm | 20–200mm |
| Porcelpoint (Flowpoint Fine in Limestone & Stone Grey) | Stone Grey & Limestone | 2–50mm | 20–200mm |
Flowpoint Fine Approximate Coverage Guide (per 20kg tub)
- Porcelain (600×900, 3×20mm joints): approx. 30–40m²
- Natural Stone Mixed Packs: approx. 11–12m²
- Granite Setts: approx. 1.5–2m²
For the most accurate calculation, use The Paving Experts' Flowpoint Calculator on the product page.
Frequently Asked Questions about UltraScape Flowpoint Fine Charcoal
I'm Cleo, owner of The Paving Experts, with over 25 years in the construction industry, having worked with businesses such as Tarmac and Instarmac. I work alongside a small team of incredibly knowledgeable and caring individuals who share the same passion for getting it right. The FAQ answers below come from the questions we're asked every single day — so if yours isn't there, just give us a call.
What is Flowpoint Fine and how is it different from other Flowpoint grades?
Flowpoint Fine is the most specialist grade in the Flowpoint range. Unlike Standard, ECO and Smooth — which all have a visible aggregate finish — Flowpoint Fine has no visible aggregate at all, producing a super-smooth, tile-like joint. It fills joints from just 2mm, uses a different water ratio (3.4L per 20kg vs 4.25L per 25kg), and comes in a 20kg tub rather than a 25kg bag.
Why choose Charcoal over Natural Grey for Flowpoint Fine?
Charcoal creates a bolder, more defined joint that works particularly well with charcoal or grey porcelain, granite setts, slate and darker natural stones. The aggregate-free finish in Charcoal gives a crisp, contemporary look that frames the paving beautifully. Natural Grey is the more neutral option — if you're unsure which suits your stone, send us a photo and we'll advise.
Does Flowpoint Fine come in Limestone or Stone Grey?
Not under the Flowpoint Fine name — but effectively yes. When Instarmac introduced Limestone and Stone Grey to the Fine range, they gave them a new product name: Porcelpoint. It's the same ultra-fine, aggregate-free formulation as Flowpoint Fine, just in lighter, stone-matching colours. See Porcelpoint Limestone and Porcelpoint Stone Grey.
Can I use Flowpoint Fine Charcoal with black limestone?
Flowpoint can cause oxidisation on some darker limestones such as black limestone — however, the new generation of temporary pre-sealers, such as Tile Rite Patio Prep Temporary Sealer, prevent this. If you'd like advice on your specific stone, give us a call.
How long does Flowpoint Fine last?
When applied correctly, Flowpoint Fine can last beyond 30–40 years without the need to re-grout.
How long does Flowpoint Fine take to set?
Flowpoint Fine sets in approximately 15 minutes at 20°C and can be walked on within one hour. Because Flowpoint Fine sets quickly, it's important to work methodically and keep the surface damp — use the thumb test before washing off.
Is Flowpoint Fine permeable?
No — Flowpoint Fine is a non-permeable, cementitious-based grout. It must always be applied on a solid, non-permeable bed.
Can you use Flowpoint Fine in the rain?
Yes — light rain is fine, but ensure the joints don't fill with rainwater before you begin.
Do I need to pre-seal my slabs before using Flowpoint Fine Charcoal?
If using a temporary pre-grout sealer (such as Tile Rite Patio Prep or Nexus ProJoint Pre-Grout): do not pre-soak the paving. The sealer acts as the protective barrier.
If not using a temporary sealer: thoroughly wet the paving with a hose spray before applying, then remove all standing or ponded water — a leaf blower is ideal.
What is the shelf life of Flowpoint Fine?
8 months from the date of manufacture (printed on the tub), for unopened, sealed tubs stored in a cool, dry, frost-free area between 5°C and 30°C.
How much Flowpoint Fine do I need?
Use the Flowpoint Calculator on this page for an accurate estimate. As a guide, one 20kg tub covers approximately 11–12m² for natural stone mixed packs, and up to 30–40m² for large-format porcelain with narrow joints.
Watch the video...
Please note: Flowpoint Fine and Porcelpoint require 3.4 litres of clean water per 20kg tub, whereas Flowpoint Standard, Smooth, ECO and Premium require 4.25 litres of water per 25kg bag. Do not use the Standard water ratio for Fine.
Want to learn more about UltraScape Flowpoint?
Read our blog post 'What is Flowpoint', or for more in-depth questions see our Flowpoint FAQs.
Want to order a pallet quantity?
Click here to be diverted to our 40 tub full pallet deal, which includes free standard delivery.
Need a paving primer & bedding mortar?
We recommend using the full UltraScape BS 7533 Mortar Paving System — including rapid-strength fine bedding concrete EcoBed, priming slurry Pro-Prime, and flowable jointing grout Flowpoint.
If you'd like to know more about Flowpoint Fine Charcoal, which grade is right for your project, or need advice on colour-matching — don't hesitate to get in touch or call us on 0330 122 1025.
Flowpoint Fine Charcoal — Full Technical Information
Product Overview
UltraScape Flowpoint Fine Charcoal is the most specialist grade in the Flowpoint range in a bold charcoal tone — a rapid-setting, flowable, cement-based paving grout with no visible aggregate, for external use. Its ultra-fine formulation fills joints from just 2mm and produces a super-smooth, tile-like finish in charcoal. Supplied in 20kg tubs with a water ratio of 3.4L per 20kg. Conforms to BS 7533.
Performance Data
| Property | Value |
|---|---|
| Classification | BS 7533 |
| Aggregate finish | No visible aggregate — super smooth, tile-like |
| Bond (adhesion) strength | 1.5N/mm² after 28 days |
| Compressive strength | 49.6N/mm² after 28 days |
| Flexural strength | 7.1N/mm² after 28 days |
| Tensile strength | 3.91N/mm² after 28 days |
| Shrinkage | Shrinkage compensated |
| Initial set | 15 minutes at 20°C |
| Open to foot traffic | 1 hour |
| Open to vehicular traffic | 4 hours |
| Expected service life | Up to 40 years |
| Permeability | Non-permeable (impermeable bed required) |
| Weather resistance | Can be applied in light rain |
| Frost resistance | Do not apply below 3°C or if frost expected within 24 hours |
Application Data
| Property | Value |
|---|---|
| Water requirement | 3.4 litres per 20kg tub (different from other Flowpoint grades) |
| Mixing time | 3–5 minutes |
| Working time after mixing | 5–15 minutes |
| Joint width | 2–50mm |
| Joint depth | 20–200mm (single application) |
| Supply format | 20kg plastic tubs (pre-mixed dry-pack — just add water) |
| Full pallet | 40 tubs |
| Colours available | Charcoal & Natural Grey (Limestone & Stone Grey available as Porcelpoint) |
Coverage Guide (approximate, per 20kg tub)
| Paving Type | Approximate Coverage |
|---|---|
| Porcelain Paving (600×900, 3×20mm joints) | approx. 30–40m² |
| Natural Stone (mixed pack) | 11–12m² |
| Granite Setts | 1.5–2m² |
Suitable Substrates
- Charcoal or grey porcelain (joints from 2mm)
- Granite setts
- Slate
- Darker sandstone and Indian Stone
- Yorkstone
- Concrete slabs and clay pavers
- Limestone (including darker limestone when used with a temporary pre-sealer)
Note: Not recommended for use on some darker limestones (e.g. black limestone) without a temporary pre-sealer. Contact us for advice.
Storage & Shelf Life
- Shelf life: 8 months from date of manufacture (printed on the tub)
- Store in a cool, dry, frost-free area between 5°C and 30°C, in unopened, sealed tubs
- Using after the declared storage period may increase the risk of an allergic reaction
Health & Safety
- Contains cement — wear appropriate PPE including gloves and eye protection
- Wet cement can cause serious skin burns — avoid prolonged skin contact
- Wash hands and exposed skin thoroughly after use
- Keep out of reach of children
- Full Safety Data Sheet (SDS) available on request or from the UltraScape website
For the full technical datasheet, download the PDF here. For project-specific advice, get in touch or call us on 0330 122 1025.
Delivery & Returns Info
Our delivery charges are calculated based on the size and weight of your order. When you add items to your basket, the delivery charges are displayed. Small orders are distributed via courier; larger orders via Pallet Network. Collection is available from our Tamworth depot by request (contact us first to arrange on 0330 122 1025).
Please note, there is a slight surcharge for areas that are outside of our locality, charges calculated at checkout.
| Weight and size | Next Working Day* Order before 1PM (excl. VAT) |
Standard 3-5 Working Day (excl. VAT) |
|---|---|---|
| 0-13KG (1 small bag/tub) |
£14.00 | £9.00 |
| 13.01-25KG (1 large bag/tub) |
£16.00 | £10.00 |
| 25.01-50KG (2 bags/tubs) |
£26.00 | £19.00 |
| 50.01-75KG (3 bags/tubs) |
£36.00 | £28.00 |
| 75.01-100KG (4-5 bags/tubs) |
£46.00 | £37.00 |
| 100.01-249KG (6-9 bags/tubs) |
£60.00 | £45.00 |
| 249.01-750KG (10 bags plus) |
£68.00 | £48.00 |
| 750.01KG plus (30 bags plus) |
£75.00 | £55.00 |
| Full Pallets (56 bags/52 tubs) |
£88.00 | Free of charge |
| Next Working Day delivery (Premium 1-2 Working Day Service) | +avg. £5-10 Extra. Click here for prices |
|---|---|
| Scotland Delivery Service (Deliveries into some parts of Scotland can take 8-10 working days) | Click here for prices |
| Local Delivery & Click & Collect: | Email: orders@thepavingexperts.co.uk |
Delivery Information
- Prices apply to mainland England and Wales. Scottish delivery slight surcharge.
- Orders are packed and dispatched Monday–Friday (excluding weekends & public holidays).
Next Working Day Delivery
- Order before 1PM → same-day dispatch.
- Order after 1PM or on weekends/bank holidays → next working day dispatch.
- You'll receive tracking updates via email/SMS if you provide your details.
Delivery Examples
- Mon before 1PM → Packed Mon, delivered Tue.
- Mon after 1PM → Packed Tues delivered Wed.
- Fri before 1PM → Packed Fri, delivered Mon.
- Fri after 1PM/weekend → Packed Mon, delivered Tues (or Wed after a bank holiday).
- Standard Service: 3–5 working days.
Notes
- Occasional delays due to manufacturing, supply, or courier issues may happen, but we'll keep you informed.
Returns, cancel up to 14 days from date of delivery. Product to be returned in the same condition & packaging. No returns for cementitious & perishable products. You are responsible for the cost of returning goods to The Paving Experts, 20% admin restock fee applies. Need further info, click here.
For further detailed delivery information click here →
How to Mix & Apply UltraScape Flowpoint Fine Charcoal Paving Grout
Important — water ratio: Flowpoint Fine uses 3.4 litres of clean water per 20kg tub. This is different from Flowpoint Standard, Smooth, ECO and Premium, which use 4.25 litres per 25kg bag. Using the wrong water ratio will affect the finish and joint strength.
Important — drainage: Ensure you have somewhere to push excess slurry grout, such as an area of lifted grass or a waste bucket. Never push excess Flowpoint into drains — it is a rapid-setting grout and will create a permanent blockage.
Step 1 — Preparation
Without a temporary pre-sealer (standard method):
- Ensure joints are clean and free from debris, dust and loose material.
- Thoroughly pre-soak the paving surface and joints with water — the paving must be properly wet before you begin.
- Then remove all standing or ponded water from the surface and from within the joints — a leaf blower is ideal. The paving should be damp, not waterlogged.
- Keep the surface moist throughout application by misting with a soft spray of water as you work.
With a temporary pre-grout sealer (e.g. Tile Rite Patio Prep or Nexus ProJoint Pre-Grout):
- Apply the temporary sealer to the paving in advance and allow it to dry as per the product instructions.
- Do not pre-soak the paving with water. The temporary sealer acts as the protective barrier — water is not required until clean-down.
- Remove any standing water from the joints using a leaf blower before grouting begins.
- Always carry out a small trial area first to ensure compatibility with your stone type.
Step 2 — Mixing
- Add 3.4 litres of clean water per 20kg tub into a clean bucket or mixing vessel.
- Gradually add the Flowpoint Fine powder to the water and mix for 3–5 minutes until smooth and lump-free. Use a slow-speed drill and paddle mixer for best results.
- Only mix what you can apply in approximately 5–15 minutes — do not store liquid mortar.
- Never remix or add extra water once mixed.
Step 3 — Application
- Pour the mixed grout directly onto the paving surface.
- Using a neoprene squeegee & 3 section pole, carefully force the mortar into the joints. Flowpoint Fine's ultra-fine consistency flows exceptionally well into narrow joints — work methodically to ensure all joints are fully filled.
- Use the squeegee to remove as much excess mortar as possible from the surface as you go.
- If not using a temporary pre-sealer, keep the surface constantly moist using a soft spray of water. If using a pre-sealer, water is not required until clean-down.
- Be patient — use the thumb test: always check the joint is firm before washing off.
- Once the jointing mortar has reached its initial set, clean the paving surface thoroughly using a brush and copious amounts of clean water. No mortar must be allowed to remain on the surface.
- Wash all tools frequently during application.
Step 4 — Trafficking
- Foot traffic: after 1 hour (at 20°C)
- Vehicular traffic: after 4 hours (at 20°C)
- Cool temperatures retard set; warm temperatures accelerate it. Avoid applying in direct sunlight or during frost.
Important Precautions
- Wear appropriate PPE — avoid skin and eye contact. Wet cement can cause serious burns.
- Never remix or add extra water to the mix once prepared.
- Do not use the Standard/Smooth water ratio (4.25L) for Flowpoint Fine — always use 3.4L per 20kg tub.
- Never push excess Flowpoint into drains — it will set and cause a permanent blockage.
- Do not apply below 3°C or if frost is expected within 24 hours.
- Do not apply in direct sunlight.
- Store in a cool, dry, frost-free area between 5°C and 30°C. Shelf life: 8 months from date of manufacture (printed on the tub).