Seals, draught proofing, Door Seals
This BS 476: Part 31 smoke seal compliant automatic drop down
seal has a light weight mechanism which is self levelling when
activated. This seal has passed a 100,000 cycle test with ease. The NOR
810 acoustic door seal is adjustable to suit the gap size needed and
will not only act as an acoustic barrier but also help keep out drafts
and keep in energy!
, Acoustic Sealing
, Document 'E'
, Door seal
, Door Seals
, Draught Excluders
, draught proofing
, Official Document 'E'
, Smoke Seal
, smoke seals
, sound reduction