About GRP

GRP is a two part (Base & Gelcoat) cold installed Glass Reinforced Polyester (Fibreglass) for flat roofs.


Uniquely developed for the roofing industry CrysticROOF is flexible, durable, seamless, maintenance free, completely waterproof and available, as standard in dark grey, other colours are available.


Suitable for garages, dormer roofs, bay windows, porches, canopies, non-slip balconies, extensions, conservatories, orangeries, sun rooms, flat, valley and low pitch roofs. It’s the perfect replacement for bitumen, felt, lead and zinc roofs.

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Premium Resin Basecoat and Gelcoat



Resin is easy to apply, leaving tack free finish, a change in colour indicates when the catalyst has adhered.

20kg tin



Gelcoat is applied roller or brush and provides a tack free finish when cured.

20kg tin.


and other items

We have can supply a range of great value, high quality trims and ancillary products to help your installations go smoothly. Please contact us for further information.

CrysticROOF is a high performance, GRP/Fibreglass roofing material which provides a tough, seamless
and long-lasting finish. For all types of roof, including flat, valley and pitched, walkways, roof-lights and balconies.

Contact us

Call: 01904 788833
Email: info@flatroof.co.uk
Visit: www.flatroof.co.uk