Roofcell is an easy to use polyester resin basecoat for GRP roofing, which forms a non-porous, tough, flexible seal. The basecoat is used on existing surfaces such as felt and old GRP roofs, in circumstances where the existing deck cannot be removed. It can also be used in areas which have a concrete or asphalt substrate as long as it is in a good, dry condition. It can be used at temperatures down to 5°C.

Once the existing surface has been prepared and GRP edge trims applied, Roofcell Basecoat is applied onto the surface along with reinforcement mat to form the laminate. Roofcell Topcoat is then applied to complete the roof.