Polycor Gelfast BS18B25 Dark Admiralty 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.

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The Polycor Gelfast BS18B25 Dark Admiralty Grey Gelcoat 5.5kg is a premium pigmented gelcoat formulated to bring a rich, deep grey finish to smaller fibreglass and GRP applications. Finished in the striking Dark Admiralty Grey (BS18B25) shade, this gelcoat is especially suited to repair work, panel refinish, touch-ups and bespoke composite projects where a rich colour match and surface performance are required.

Supplied in a practical 5.5 kg pack size, this gelcoat provides ample material for tackling localized repairs or detailed finishing tasks on boats, moulds and structural panels without the waste of larger mixes. Built on an isophthalic polyester resin base, it offers improved resistance to moisture ingress and outdoor conditions compared with basic gelcoat formulations, helping surfaces retain colour and integrity over time.

Designed to flow evenly and cure to a smooth, resilient surface when used with the correct catalyst, this gelcoat is compatible with brush, roller or spray application on prepared substrates. Whether you’re restoring faded gelcoat sections, resurfacing composites or adding a new coat to refined panels, Polycor Gelfast BS18B25 Dark Admiralty Grey Gelcoat 5.5kg delivers a professional-quality finish with dependable colour and long-lasting surface protection.