XPS Insulation – 300kPa – Residential & CommercialProduct Overview Experience superior insulation with our 100mm thick, high compressive strength XPS Extruded Polystyrene Boards. Designed for extreme durability, these rigid, closed cell boards offer exceptional thermal insulation for floors, basements, and inverted roofs. With a dense cellular structure, these boards maintain their mechanical strength and thermal integrity under concrete, paving, or ballast, even in harsh conditions. They resist