Polycor Gelfast RAL7004 Signal Grey 5.5kg

Gelfast is a high quality, isophthalic, and pigmented, Lloyds Approved Gelcoat. It comes pre pigmented by CFS Fibreglass for rapid delivery times from 40 standard colours.

Screen colour samples are a guide only as computer displays and printers can give different results.

The Polycor Gelfast RAL7004 Signal Grey Gelcoat 5.5kg is a professional-level coloured gelcoat formulated to deliver dependable results on small to medium fibreglass and GRP projects. Finished in the practical RAL7004 Signal Grey tone, this gelcoat is especially suited to blending colour matching into existing surfaces — whether you’re performing repairs, refinishing panels or doing bespoke composite work.

Supplied in a conveniently sized 5.5 kg pack, this gelcoat is ideal for localized repairs, patch jobs and detailed finishing tasks where larger packs would be impractical. Its isophthalic polyester resin formulation helps enhance moisture resistance and chemical stability compared with standard gelcoats, offering long-lasting performance in outdoor and marine environments.

Designed to integrate smoothly with cured laminates and new GRP layups, this gelcoat flows to produce a consistent, even surface while minimising brush marks when applied correctly with the recommended catalyst. Whether you’re renovating fibreglass boats, restoring panels or completing workshop composite jobs, Polycor Gelfast RAL7004 Signal Grey Gelcoat 5.5kg delivers professional results with reliable colour and durable surface protection.