Expanded polystyrene or polyurethane thermal insulation board, useful for thermal insulation of e.g. wall foundations and damp exterior walls, has a coating of a specified building material, based on silicate
Polystyrene or polyurethane thermal insulation board with small holes over its surface, comprises an outer coating to improve the mechanical/physical properties of the outside surface. The outer coating comprises the building material Leton (RTM; very fine natural mineral silicates), which provides...
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