Acoustic Rated Door Bottom SealTrade Names: ASTRO ASDB/SM Seal
Surface Mounted door bottom seal - drop down type.
Suitable for wooden or metal door assemblies.
Aluminium body with rubber coextruded seal and carrier.
Sound reduction of up to Rw 37dB*
Suitable for new and retrofit applications
Screw fixing (screws suppied)
Silver Anodised finish
Tested to 200,000 cycles.
Astro ASDB/SM SEAL is a automatic door bottom seal which is spring loaded to lift clear of the floor as soon as the door leaf is opened by a few millimetres.
An acoustically designed seal for surface mounted applications. It is operated automatically by pressure against the door jamb on its plunger and seals when the door closes and retracts automatically when the door is opened.
Can be fitted on the internal side of the door using the frame to activate the plunger or externally using the bumper provided.
Click here for the rebated door bottom seal version (for timber only doors).
14mm maximum drop, Seal drops on plunger side first.
Suitable for all types of swing doors.
Noise Reduction Index: up to Rw 37 dB*
* Quoted sound reduction rating will vary depending on the door density and any additional threshold
& perimeter seals used in conjunction with this product - contact us for confirmation before
Finish: Anodised Satin Clear.
To Order & Specify
Please contact us and quote the following - Quantity / Product Description / Product Code / Colour / Size
Test and Assessment Reports
* The acoustic ratings quoted will vary depending on the door density and any additional threshold & perimeter seals used in conjunction with this product, contact us for confirmation before specifying.
Seals have been tested without threshold plates and also straight down to carpet.
For additional testing, or technical information please contact Astroflame.
As part of our policy of ongoing improvements, we reserve the right to modify, alter or change product specifications without giving notice. Product illustrations are representations only. All information contained in this document is provided for guidance only, and as ASTROFLAME FIRESEALS LTD has no control over the installation methods of the products, or of the prevailing site conditions, no warranties expressed or implied are intended to be given as to the actual performance of the products mentioned or referred to, and no liability whatsoever will be accepted for any loss, damage or injury arising from the use of the information given of products mentioned or referred to herein.