A high quality, isophthalic, Lloyds Approved Topcoat. Unlike standard gelcoat, Topcoat cures tack free, which allows it to be used like a paint and seal fibreglass surfaces. This Topcoat has excellent physical properties, water resistance and UV light stability. This high quality Topcoat is suitable for a wide range of applications and for all GRP surfaces where a non slip finish is required. Ideal for Boats, Balconies and walkways.