Everbuild evercryl one coat compound everbuild evcryl5gy evercryl is a resin based fibre re enforced roof repair compound which is effective on all common roofing surfaces giving instant roof repairs even in the wet and on wet surfaces may also be applied in frosty conditions down to 5c evercryl is instantly waterproof when applied there is no fear of wash off so emergency leaks can be tackled immediately as there is no need to wait for the rain to stop everycryl is brush applied and