This is a closed cell sponge neoprene. It is primarily used as a cushion and sealing tape against air and moisture. It can also be used as a dust seal for furniture, store fixtures and partitions, noise insulation, padding, expansion joints of precast concrete and steel, vapour barrier for prefab buildings, HVAC & refrigeration, automotive. It is also an excellent door seal for truck and bus bodies, offload equipment and transformer cabinets.