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.
Smoke tested in accordance with BS EN 1634-3: 2004.
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. Smoke Testing was conducted to BS EN 1634-3: 2004 smoke control tests for door and shutter assemblies, openable windows and elements of building hardware – Part 3: Smoke control test for door and shutter assemblies.
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: