Acoustic Drop Down Seal for Doors – 835mm


Acoustic Door Drop Seal. 835mm wide. The seal is routered into the bottom of the door and will automatically drop when the door is closed – sealing off a noise transfer path. It then returns upwards when the door is opened.

21 in stock


This automatic drop down acoustic seal has a light weight mechanism which is self leveling when activated. This seal has passed a 100,000 cycle test. It 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.

835mm wide
Can be cut back by up to 150mm
BS 476: Part 31:1 (Fire tests on building materials and structures) compliant
Excellent sound reduction
Protects against smoke
Light-weight operation
Ultra soft silicon bubble seal
Spring loaded