Pro 25 GRP Topcoat 10Kg Dark Grey Fire Retardant Cromar

10Kg tin of Cromar ProGRP range topcoat, coversa pprox 20 sq mtrs.
Before applying ProGRP topcoat it will be necessary to sand the whole roof surface, a smooth , unblemished surface will produce a high quality finish. Always aim to apply topcoat mmediately the roof can be walked upon after laminating.
Calculate the amoutn of topcoat required, measure into a bucked and add catalyst to each batch of topcoat as you need it.