The Knauf ClimaFoam XPS Board insulation is a more sustainable and cost effective solution for both home owners and commercial developers. Extruded Polystyrene (XPS) is a lightweight, high performance board which is water resistant. Thermal insulation recommended for use under concrete slabs, green roofs, edge beams, cavity walls, external walls and cool rooms. Extruded Polystyrene has a high … Continue reading ClimaFoam® XPS Board Insulation