Bitumen-based heavy layer
soni HEAVY and soni HEAVY ALU are heavy layers made from elastomer-modified bitumen. They are equipped with a self-adhesive rear face. Bitumen-based heavy layers are suitable for noise insulation and sound deadening of metal sheets and metal parts. The aluminum surface of soni HEAVY ALU provides an additional heat-reflection effect.
Our soni HEAVY and soni HEAVY ALU sound-deadening layers score with excellent insulation capacity and high temperature resistance.