UltraCrete PY4 Polyester Resin System
About the product
UltraCrete PY4 is a two component, fast set polyester resin mortar. Ideal for the rapid installation & reinstatement of manhole covers and frames in heavily trafficked areas. It is highly recommended for ductile ironwork and has been HAPAS approved since 2005. PY4 conforms to HA104/09, has a rapid strength gain and can be opened to traffic in 40 minutes. The UltraCrete PY4 Polyester Resin System comes in a 25Kg tub.
Got a question about PY4? Download the technical datasheet (pdf) or see our comprehensive FAQs. Otherwise get in touch and we’ll get back to you by email or phone as soon as we can. Or alternatively, call ☎️ 0330 122 1025 – we’re a small team, but happy to help. 😊✨
We also offer pallet deals, please contact us for our best trade rates.
Calculate required quantity
UltraCrete PY4 Polyester Resin System
See full delivery info →
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.
How much you will need?
Technical information
- Supplied as a two component system: it contains two equal parts of resin and two parts of activator/filler
- Highly recommended to always use one tin of resin to one pack of filler/activator
- When laying the material, a minimum thickness of 5mm and a maximum of 50mm should be adhered to
- Can achieve 60 N/mm2 compressive strength in just one hour
- Ideal for use as a bedding material for rapid construction in accordance with HA104/02 part 5, clause 6.1
How to mix PY4 Polyester Resin Bedding Mortar
PY4 should be mixed thoroughly with a forced action mixer or vigorously by hand with an appropriate tool:- Add 1 tin of resin to 1 unit of filler/activator.
- Pour all the resin from the tin into the outer bucket and slowly add the filler until a homogeneous mix is attained.
- Mix only enough material to apply in 4 minutes. Do not part mix. Use immediately after mixing.
How to apply PY4 Polyester Resin Bedding Mortar
- The bedding material should be placed on the supporting structure immediately and used within 4 minutes of mixing.
- The frame should be lowered into position using suitable lifting equipment and placed on the bedding mortar, ensuring it is fully supported.
- Check that the frame does not overhang the mortar at any point.
- Care should be taken to prevent voids in the bedding material under the frame, particularly in the vicinity of the cover seating.
- Once the bedding material has reached its initial set, the backfill material UltraCrete QC10 can be placed.
About the product
UltraCrete PY4 is a two component, fast set polyester resin mortar. Ideal for the rapid installation & reinstatement of manhole covers and frames in heavily trafficked areas. It is highly recommended for ductile ironwork and has been HAPAS approved since 2005. PY4 conforms to HA104/09, has a rapid strength gain and can be opened to traffic in 40 minutes. The UltraCrete PY4 Polyester Resin System comes in a 25Kg tub.
Got a question about PY4? Download the technical datasheet (pdf) or see our comprehensive FAQs. Otherwise get in touch and we’ll get back to you by email or phone as soon as we can. Or alternatively, call ☎️ 0330 122 1025 – we’re a small team, but happy to help. 😊✨
We also offer pallet deals, please contact us for our best trade rates.
UltraCrete PY4 Polyester Resin System
Ultracrete PY4, is part of the Ultracrete BBA/HAPAS Approved Ironwork Reinstatement System. PY4 is a two component, fast set, rapid strength, polyester resin mortar, that produces a stiff supporting mortar. PY4 is ideal for the rapid installation and reinstatement of manhole frames, gully grates, kerbs and street furniture in heavily trafficked areas. HAPAS approved since 2005, PY4 conforms to HA104/09, has a rapid strength gain and can be opened to traffic in just 40 minutes. With a proven track record across many applications, Ultracrete PY4 is trusted by major contractions nationwide!
- Workability: 5 – 10 minutes
- Set time: 15 minutes
- Depth: 5mm – 50mm
- 8.25N/mm² tensile strength in 1 hour
- 61.5N/mm² compressive strength in 1 hour
- 19N/mm² flexural strength in 1 hour
- Size: 25kg bucket
- Download the PY4 technical datasheet (pdf)
Related Products within the Ultracrete BBA/HAPAS Approved Ironwork Reinstatement System
- Ultracrete Envirobed HA104® High Performance Bedding Mortar
- Ultracrete M60 Rapid Strength Bedding Mortar
- Ultracrete QC10 Fast Set Rapid Strength Concrete
- Ultracrete SCJ Spray Applied Bitumen Cold Joint Sealer
- Ultracrete IRR Cold Lay Macadam
- Brand: Instarmac
- SKU: TPE-ULTPY4BAG
- Weight: 25.0 kg / 55.12 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.
UltraCrete PY4 Polyester Resin System
Ultracrete PY4, is part of the Ultracrete BBA/HAPAS Approved Ironwork Reinstatement System. PY4 is a two component, fast set, rapid strength, polyester resin mortar, that produces a stiff supporting mortar. PY4 is ideal for the rapid installation and reinstatement of manhole frames, gully grates, kerbs and street furniture in heavily trafficked areas. HAPAS approved since 2005, PY4 conforms to HA104/09, has a rapid strength gain and can be opened to traffic in just 40 minutes. With a proven track record across many applications, Ultracrete PY4 is trusted by major contractions nationwide!
- Workability: 5 – 10 minutes
- Set time: 15 minutes
- Depth: 5mm – 50mm
- 8.25N/mm² tensile strength in 1 hour
- 61.5N/mm² compressive strength in 1 hour
- 19N/mm² flexural strength in 1 hour
- Size: 25kg bucket
- Download the PY4 technical datasheet (pdf)
Related Products within the Ultracrete BBA/HAPAS Approved Ironwork Reinstatement System
- Ultracrete Envirobed HA104® High Performance Bedding Mortar
- Ultracrete M60 Rapid Strength Bedding Mortar
- Ultracrete QC10 Fast Set Rapid Strength Concrete
- Ultracrete SCJ Spray Applied Bitumen Cold Joint Sealer
- Ultracrete IRR Cold Lay Macadam
Technical information
- Supplied as a two component system: it contains two equal parts of resin and two parts of activator/filler
- Highly recommended to always use one tin of resin to one pack of filler/activator
- When laying the material, a minimum thickness of 5mm and a maximum of 50mm should be adhered to
- Can achieve 60 N/mm2 compressive strength in just one hour
- Ideal for use as a bedding material for rapid construction in accordance with HA104/02 part 5, clause 6.1
How to mix PY4 Polyester Resin Bedding Mortar
PY4 should be mixed thoroughly with a forced action mixer or vigorously by hand with an appropriate tool:- Add 1 tin of resin to 1 unit of filler/activator.
- Pour all the resin from the tin into the outer bucket and slowly add the filler until a homogeneous mix is attained.
- Mix only enough material to apply in 4 minutes. Do not part mix. Use immediately after mixing.
How to apply PY4 Polyester Resin Bedding Mortar
- The bedding material should be placed on the supporting structure immediately and used within 4 minutes of mixing.
- The frame should be lowered into position using suitable lifting equipment and placed on the bedding mortar, ensuring it is fully supported.
- Check that the frame does not overhang the mortar at any point.
- Care should be taken to prevent voids in the bedding material under the frame, particularly in the vicinity of the cover seating.
- Once the bedding material has reached its initial set, the backfill material UltraCrete QC10 can be placed.
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 →
UltraCrete PY4 Polyester Resin System
Ultracrete PY4, is part of the Ultracrete BBA/HAPAS Approved Ironwork Reinstatement System. PY4 is a two component, fast set, rapid strength, polyester resin mortar, that produces a stiff supporting mortar. PY4 is ideal for the rapid installation and reinstatement of manhole frames, gully grates, kerbs and street furniture in heavily trafficked areas. HAPAS approved since 2005, PY4 conforms to HA104/09, has a rapid strength gain and can be opened to traffic in just 40 minutes. With a proven track record across many applications, Ultracrete PY4 is trusted by major contractions nationwide!
- Workability: 5 – 10 minutes
- Set time: 15 minutes
- Depth: 5mm – 50mm
- 8.25N/mm² tensile strength in 1 hour
- 61.5N/mm² compressive strength in 1 hour
- 19N/mm² flexural strength in 1 hour
- Size: 25kg bucket
- Download the PY4 technical datasheet (pdf)
Related Products within the Ultracrete BBA/HAPAS Approved Ironwork Reinstatement System
- Ultracrete Envirobed HA104® High Performance Bedding Mortar
- Ultracrete M60 Rapid Strength Bedding Mortar
- Ultracrete QC10 Fast Set Rapid Strength Concrete
- Ultracrete SCJ Spray Applied Bitumen Cold Joint Sealer
- Ultracrete IRR Cold Lay Macadam
Technical information
- Supplied as a two component system: it contains two equal parts of resin and two parts of activator/filler
- Highly recommended to always use one tin of resin to one pack of filler/activator
- When laying the material, a minimum thickness of 5mm and a maximum of 50mm should be adhered to
- Can achieve 60 N/mm2 compressive strength in just one hour
- Ideal for use as a bedding material for rapid construction in accordance with HA104/02 part 5, clause 6.1
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 PY4 Polyester Resin Bedding Mortar
PY4 should be mixed thoroughly with a forced action mixer or vigorously by hand with an appropriate tool:- Add 1 tin of resin to 1 unit of filler/activator.
- Pour all the resin from the tin into the outer bucket and slowly add the filler until a homogeneous mix is attained.
- Mix only enough material to apply in 4 minutes. Do not part mix. Use immediately after mixing.
How to apply PY4 Polyester Resin Bedding Mortar
- The bedding material should be placed on the supporting structure immediately and used within 4 minutes of mixing.
- The frame should be lowered into position using suitable lifting equipment and placed on the bedding mortar, ensuring it is fully supported.
- Check that the frame does not overhang the mortar at any point.
- Care should be taken to prevent voids in the bedding material under the frame, particularly in the vicinity of the cover seating.
- Once the bedding material has reached its initial set, the backfill material UltraCrete QC10 can be placed.