ASDBX DB Plus Seal
Automatic Drop-Down Door Bottom Seal.
Acoustically tested on proprietary fire doors*
Aluminium body with self extinguishing PVC rubber co-extruded seal and carrier.
Sound reduction of up to Rw 51 dB*
Suitable for new and retrofit
Rebated fitting - comes with prefitted screws.
Seal easily removed to prevent damage during installation.
Anodised satin clear finish
Tested to 200,000 cycles.
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 | ASDBX DB Plus Seal | AFASDBX/1230 | 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).
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 rebated applications. mounted into a 15mm x 28mm groove that has been morticed into the bottom edge of the door. It is operated automatically by pressure against the door jamb on its adjusting screw and seals when the door closes and retracts automatically when the door is opened. Tested for durability 200,000 cycles completed without failure for fire rated smoke doors. 14mm maximum drop, Graduated Scissor action (seal drops on hinge side before lock side). 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.
Noise Reduction Index up to Rw 51 dB* (DIN EN 20 14--03)
Min/Max Gap: 3mm - 14mm.
Seal Lengths: 330mm, 430mm, 530mm, 630mm, 730mm, 830mm, 930mm, 1030mm, 1130mm, 1230mm.
Maximum trimming: 50mm - 330mm | 135mm - 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: