AAS4508 AURA® Threshold Plate

A stylish stepped threshold plate suitable for acoustics. Acoustic containment is enhanced by the silicone gasket; and acoustic bedding pads reduce vibration and provide cushioning on uneven surfaces.

General information


Bronze anodized aluminium

Silver anodized aluminium

Uniclass 2015

Pr_35_90_33_22 Door and window weatherstrips and sealsPrimary


L20/20 Wood flush doors

L20/230 Wood flush doors

L20/25 Wood panelled doors

L20/250 Wood panelled doors

L20/270 Wood doors

L20/280 Doors

L20/30 Wood doors

L20/310 Wood door frames

L20/330 Wood door frames

L20/370 Door frames

L20/410 Wood doorsets

L20/420 Wood doorsets

L20/430 Wood doorsets

L20/480 Doorsets

L20/50 Wood door frames

L20/52 Wood door frames

L20/55 Doorsets

Specification data - Door and window weatherstrips and seals

Product Reference

AAS4508 AURA® threshold plate

7 x 125 mm.


Single doorset pack consisting of 1 x 1000 mm and 1 x 2100 mm. Other lengths to special order, consult manufacturer for details.


Bronze anodized aluminium

Silver anodized aluminium

Standard product features


Single swing doors.

Seal material:

Aluminium with two flexible tread strips.

Acoustic (BS EN ISO 10142-2):

Weighted sound reduction index up to (Rw): 33 dB (AAS4508, LAS1212 and LP1504DS on a standard architectural door).


Pre-drilled and countersunk. Fixing screws supplied. Tread strip supplied and push-fit into plate to conceal fixings.

Product Options


Decorative finish for threshold plate and different colour tread strips are available upon request. Consult manufacturer for details.

Third party certifications
  • UL: Certificate: R27972 : Gasketing and Edge-sealing Materials for Fire Doors, Positive-pressure Tested
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