Acoustic, smoke & fire containment systems

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AS acoustic, smoke + fire seal

Our AS door seal with elastomeric fin offers acoustic, smoke + fire protection, with the added benefit of thermal containment. The seal also features integral antimicrobial protection.

Single + double leaf doors

10 x 4mm
15 x 4mm
20 x 4mm
25 x 4mm

Standard lengths
1m + 2.1m
Other lengths to special order.

Min / Max gap size
3mm / 4mm

Available in a range of standard colours, with black fins - to blend or contrast with the doorset as required. White fins are also available to special order (please ask for details). 

Heavy duty self-adhesive tape. 

Key features

  • A range of popular sizes to cover both 30, 60 and 90 minute applications.
  • Its unique shape allows the product to be stacked, ensuring minimal storage space and protection of the fins.
  • Exceptionally low frictional resistance for ease of door operation (Approved Document M).


Acoustic: BS EN ISO 10140-2:2010
Smoke: BS 476: Pt.31.1: 1983
Fire: BS EN 1634-1: 2008
Fire: BS 476: Pt.21/22: 1987
Durability: 1 million cycles
BBA: 92/2841

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