Polycor Gelfast RAL7004 Signal Grey 22kg

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 22kg is designed for large fibreglass and composite applications where consistent colour, dependable curing and long-term surface performance are essential. Finished in the widely recognised RAL7004 Signal Grey, this gelcoat provides a clean, industrial-style appearance suitable for marine, structural and technical GRP components.

Its isophthalic polyester formulation offers improved resistance to moisture absorption and environmental exposure, making it a strong choice for boat hulls, deck structures, mould tooling and exterior composite panels. The 22kg pack size is ideal for production work and extensive refurbishment projects, reducing downtime caused by frequent material changes.

Engineered for smooth application and even coverage, this gelcoat flows well across prepared substrates and cures to a tough, uniform surface when catalysed correctly. Whether applied during lay-up or used as a finishing layer over cured laminates, Polycor Gelfast RAL7004 delivers reliable results for professional composite fabricators and marine repair specialists.