liquid applied GRP Glass Reinforced Polyester- Fibreglass flat roof system. It has been specifically engineered for flat roof applications in the UK market. It is a fully integrated seamless system where all the components are designed to work together to ensure that you can take full advantage of this rapidly expanding market. GRP can be used on virtually all types of flat roofs up to and including vertical surfaces for example the cheeks of a dormer or the inside face of a mansard or parapet roof. We have extensive experience using GRP to solve the problems often associated with failed leaking bitumen felt roofs and we are here to help you. We offer full training for you and your staff at the distributors depot. . A GRP roof is a wet laid, single ply GRP laminate made up of two layers of catalysed resin sandwiching a layer of chopped strand glass fibre mat (450/600gsm). It is applied to a new OSB 3, plywood or T&G board. Profiled GRP edge trims are applied to the roof edges and abutments and the roof is finished with a coat of catalysed pigmented top coat.