Description: Buy External Wall Insulation system components online - Silicone Render, Phenolic Insulation Boards, Dual Density Slabs and Grey Polystyrene and accessories.
polystyrene (92) rock wool (27) glass wool (23) mineral wool (21) external wall insulation systems (4) pir boards (2) phenolic boards (2)
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Heat moves from warmer to colder areas. Therefore, on cold days, heat from inside a building seeks to get outside. And on warmer days, the heat from outside the building seeks to get inside. Insulating the external walls would slow the movement of heat out through the walls thereby dramatically reducing heating demand.