ASDB/SM Seal - Surface Mounted
Suitable for wooden or metal door assemblies.
Automated drop-down action.
Aluminium body with rubber co-extruded seal and carrier.
Sound reduction of up to Rw 37dB*
Suitable for new and retrofit applications
Screw fixing (screws supplied)
Silver Anodised finish
This seal is also available in a rebated version.
To Order & Specify
For all Enquiries about this product please contact us:
Please quote - Quantity | Trade name | Product Ref | Colour | Size
Typical wording -
15 | ASDB/SM Seal - Surface Mounted | AFASDBSM/1130 | Aluminium | 1230mm
Once your order is received we will phone to confirm all details. For in-stock items orders received before 3pm (Monday-Friday) are dispatched for delivery on the following working day (Monday-Friday).
The Door Bottom Acoustic Seal Tested to 200,000 cycles. The ASDB/SM seal is an 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.Tested for durability 200,000 cycles completed without failure for fire rated smoke doors. 14mm maximum drop, Seal drops on hinge side before lock side. Suitable for all types of swing doors.
Min/Max Gap: 3mm-14mm.
Seal Lengths: 330mm, 430mm, 530mm, 630mm, 730mm, 830mm, 930mm, 1030mm, 1130mm, 1230mm.
Maximum trimming: 20mm - 330mm | 120mm - 430mm | 150mm - 530mm to 1230mm.
* 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 specifying.
For further information on installation requirements please contact the technical:
Health and Safety
The product does not present any known health hazards during or after installation. Normal good industrial and personal hygiene practices should be observed. For further information on health and safety requirements please contact the technical team on:
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 Astrodraft (part of the Astroflame (Fire Seals) group) 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.
The above information to the best of our knowledge is true and accurate and based upon current test data and is supplied for your guidance only. Customers should satisfy themselves to the suitability of the product in its intended use and no guarantee is given or implied since the conditions of actual use are beyond our control. Astrodraft (part of the Astroflame (Fire Seals) Ltd group), disclaim any liability for loss, damage or other expense arising from the use of information, data or products mentioned or referred to and reserve the right to change any details or specifications without notice.