NOR710 Perimeter Door Seal

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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 act s 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. Benefits Acoustically tested up to 48dB Protects against cold smoke, compliant with British Standard BS 476 part 31:1 Durability 1,000,000 cycles tested Surface mounted, strong self adhesive backing Stylish ultra smooth blades 'Dual Air Pocket Technology' Show more