A single component moisture curing polyurethane foam shich seals, fills, fixers. bonds and insulates most construction materials. Once cured it becomes a semi-rigid water-resistant rot-proof foam shich can sawn, cut, moulded and painted. Can be used to bond and fill blocks of polystyrene but is not suitable on thin sheets.
It is tack free in 20 minutes and cuttable after 4 hours. Yields aproximately 20 litres free expanded.
Fire Rating BS476 Part 20 1987