Trade Names: ASTRO ASDB/SM Seal
Acoustic & Smoke Rated Door Bottom Seal
Surface Mounted door bottom seal - drop down type.
Suitable for wooden or metal door assemblies.
Acoustically and smoke tested on proprietary fire doors
Aluminium body with self extinguishing PVC rubber coextruded seal and carrier.
Sound reduction of up to Rw 33dB*
Suitable for new and retrofit
Screw fixing (screws suppied)
Anodised satin clear 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 face mounted applications. It is operated automatically by pressure against the door jamb on its adjustment block and seals when the door closes and retracts automatically when the door is opened.
Can be fitted inside (lock side using bumper provided) or outside of the door (non lock side)
Click here for the rebated door bottom seal version (for timber only doors).
14mm maximum drop, Seal drops on hinge side before lock side.
Suitable for all types of swing doors.
Noise Reduction Index: Rw up to Rw 33dB*
Finish: Anodised Satin Clear.
To order & specify
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.
Please refer to the installation sheet that comes with the product
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.