Everbuild Evercryl One Coat is a resin based, fibre reinforced 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 -5°C. 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. Everbuild Evercryl One Coat Instant Waterproofing For Roofs, Gutters and Gulleys, Black, 2.5kg