"Sandwich" polyurethane PUR-foam insulating panels are made of two layers of steel between which lies a layer of polyurethane foam. "Sandwich" foam insulating rigid polyisocyanurate (PIR) are made of two layers of steel between which lies a layer of Polyiso foam. PIR and PUR insulation panels are used for exterior and Interior, walls and roofs and ceilings of buildings of dwellings, buildings industrial, commercial, farms, buildings of offices, warehouses, areas of production and other special constructions. The polyurethane foam is known for its very low thermal conductivity, which makes that it helps keep the heat inside the building.
