Topcoat White

Topcoat White is a high-quality, isophthalic, Lloyd’s Approved polyester topcoat designed to seal and protect GRP fibreglass surfaces with a tough, durable and weather-resistant finish.Unlike standard gelcoat, this Topcoat cures tack-free, allowing it to be applied like a paint while forming a hard, protective surface. It offers excellent water resistance and UV stability, making it suitable for both fibreglass roofing systems and marine applications, including boat building and repairs.Pre-pigmented in White, this marine-grade topcoat delivers a clean, professional finish and is ideal for a wide range of GRP applications. Not suitable for spray application.Catalyst is supplied FREE with all Topcoats and Resins.Key Features. High-quality, marine-grade polyester topcoat. Tack-free cure for easy application. Excellent weather & UV resistance. Lloyd’s approved for boat building & repairs. Tough, durable long-lasting finish. Suitable for all GRP fibreglass surfaces. Pre-pigmented White. Free catalyst included. Liquid Resin Properties (Typical Values). Reactivity @ 25°C (1.8% MEKP – Low Activity). Gel Time: 8–11 minutes