| 4504 has a thin aluminium backing and can be used for insulation purposes in hot and cold pipework to prevent corrosion and energy loss. 4504 is a reliable vapour barrier and thermal reflector in joints and connections. Due to a very thin aluminium backing this product is economical but still effective. 4504 is water vapour proof and has low combustibility (DIN 4102 B approval). It has a paper release liner and is age resistant. Applications; vapour barrier for joints and connections in heating, sanitation and construction, joining of insulation in hot and cold ducts of air conditioning systems and roof constructions, covering visible seams in air conditioning control rooms. |