£96.42 inc. VAT

Cromar PRO 25 GRP Topcoat - Fire Retardant - 20kg - Dark Grey

Product Code:
1 working day

£96.42 inc. VAT


Product Description

Top coat to provide a weatherproof finish to a Cromar PRO GRP flat roof.


  • 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 

As a purely aesthetic product; it is not recommended to use this as a stand-alone, waterproofing product.

Product Specification

Brand Cromar
Colour Dark Grey
Coverage 3-4m² per litre applied in 1-2 coats / 6m² per kg
Curing Time Several hours per layer (dependent on weather conditions)
Product Fibreglass (GRP) roofing
Product Type Sealants & treatments
Recommended Film Thickness 0.55-0.85mm (wet film)
Recommended Peroxide Dosage 1-4.0% subject to temperature
Size 20kg
Storage 6 months
Usage All cans must be thoroughly shaken/stirred before use. If separate cans are to be mixed together, stir well to avoid colour variations between the batches.

Product Reviews


All Sterlingbuild orders have FREE standard delivery when your order is over £100 + VAT.

However next day delivery will carry a small next day delivery charge which will be shown in the final shopping basket

Unfortunately additional delivery charges will apply if you live in the Scottish Highlands and UK islands. These delivery charges are based on additional costs from our national couriers.

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

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