A high quality, isophthalic, Lloyds Approved Topcoat. Unlike standard gelcoat, Topcoat cures tack free, allowing it to be used like a paint to seal fibreglass surfaces. It 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. Pre-pigmented RAL 7005. Not suitable for spray application. Supplied with free catalyst.