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Cromar PRO 25 GRP Resin - 20kg

Product Code:
Manufacturer Code:
Estimated Delivery:
up to 2 working days
1+ £73.85
3+ £66.45

Our price today, excluding delivery and VAT is

£88.62 inc. VAT £73.85

Product Description

Resin is a primary component of a PRO 25 GRP fibreglass flat roof. Two layers of catalysed resin are used to sandwich a layer of glass fibre mat.


  • Cromar resin is pure resin, not blended. There are none of the additives that are added to other, more cheaper resins, which won't perform as well
  • Thinner than a general purpose resin, meaning it can withstand the wide temperature variations a roof is subjected to
  • Fire retardent
  • UV-resistant
  • Weatherproof
  • Fully bonds to the roof membrane to form one complete system
  • Special additives to give an especially low styrene emisson
    • During and after application
  • Available in 2 sizes
    • Flexibility
    • Minimises wastage


  • Ideal for large or small flat roofs
  • Suitable for heavy foot traffic
  • Load bearing
  • Applied by brush/roller
  • Apply 1-2 coats
  • Cold-applied 

Product details

Ratio resin:glassfibre mat  
 450gsm 1.5l of resin per m2 of mat
 600gsm 2.0l  of resin per m2 of mat
Safety warning If resin gets in the eyes, rinse the eyes thoroughly (preferably with a use a saline solution) and consult medical advice is irritation persists.

Product Specification

Brand Cromar
Coverage 13m²
Density 1.1g/cm³
Flash Point 32°C
Flexibility 90N/mm²
Product Fibreglass (GRP) roofing
Product Type Sealants & treatments
Safety If resin gets in the eyes, rinse the eyes thoroughly (preferably with a use a saline solution) and consult medical advice if irritation persists
Shrinkage 9%
Size 20kg
Tensile Elongation at Break 2.2%
Tensile Strength 47N/mm²
Water Absorption 10Mg

Delivery, Cancellation & Returns

For our delivery, cancellation and returns policy.

Delivery charges are included in the final shopping basket total and will depend on the basket's contents. Additional shipping charges may apply to orders from the Scottish Highlands and UK islands.

These extras delivery charges are based on certain costs from the manufacturer, distributor or our own couriers. Not all products will be applicable.

If additional shipping fees apply, a member of our team will contact you before processing your order to let you know.

We will do our very best to make sure your delivery arrives by the date required, however manufacturer availability and delivery schedules cannot always guarantee this.

Should your estimated delivery date differ from that displayed on our website, one of our team will inform you by email or telephone

If we cannot make a delivery due to access not being possible, we reserve the right to make a failed delivery charge.