This revolutionary retro fit seal increases acoustic performance of a standard fire rated door simply and effectively. Its design is based on ‘dual air pocket technology’ which acts in the same way as triple glazing. The NOR 710 also has smoke seal capabilities in accordance with BS 476 Part 31:1 and is unaffected by Door Furniture including hinges and latches. We have cycle tested the NOR710 acoustic door seal up to 1,000,000 opening and closing cycles.
Specification Details for NOR710 Perimeter Seal (Acoustic Door Seals)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Norsound is consulted before specifying.
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