Topcoat, also known as flowcoat, is a thick gelcoat based coating mainly used for finishing fibreglass flat roofs and the reverse (fibre) side of fibreglass mouldings.
A high quality isophthalic, Lloyds Approved topcoat, it has excellent physical properties, water resistance and UV light stability. Pigmentable with polyester pigment paste at 10-15% depending on colour. Not suitable for spray application. Supplied with free catalyst.
See our Guide to Topcoating
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