Acoustic, smoke & fire containment systems

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AAS8501 AURA drop seal

A self-levelling drop seal featuring a unique wrap around gasket designed for optimum acoustic and smoke containment. A clever colour coded band assists with drop seal adjustment.

Single swing doors
For use on both right and left handed doors

Min / Max gap size
1mm / 18mm

Standard Lengths
335mm, 435mm, 535mm, 635mm, 735mm, 835mm, 935mm, 1035mm, 1135mm. Each length cuts back to next size down (335mm cuts back to 255mm). Longer lengths available

This seal is mortised
Pre-drilled and countersunk radiused end plates (measuring 21mm x 57mm) holding product in place
Adjuster button features coloured bands

Silver anodised aluminium with Silver end plates and Silver silicone gasket
Silver anodised aluminium with Bronze end plates and Black silicone gasket


Acoustic BS EN ISO 10140-2: 2010
Weighted Sound
Reduction Index
31 dB
(AAS7501 & AAS8501 on a
standard architectural door)
Smoke Leakage BS EN 1634-3: 2004
BS 476: Pt.31.1: 1983
Durability 1 million cycles on full-size
door assemblies