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  Home > Fire Door Protection > Acoustic & Smoke Perimeter Seals

Acoustic & Smoke Rated Door Bottom Seal.
Acoustic & Smoke Rated Door Bottom Seal.

Door Bottom Seal - Rebated

Soundproofing Door Bottom Seal

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 42 dB*

Suitable for new and retrofit

Rebated fitting - comes with prefitted screws.

Anodised satin clear finish

Tested to 200,000 cycles


An acoustically tested door bottom seal designed for rebated installation mounted into a 13mm x 28mm groove that has been morticed into the bottom edge of the door. This acoustic seal is also available in a face mounted version.

This automatic, drop-down action, door bottom seal is spring loaded to lift clear of the floor as soon as the door leaf is opened by a few millimetres.

Operates automatically, by the pressure of the door jamb on the seal's adjusting screw, to drop down and seal when the door closes and retract when the door opens.

Approved Document ESymbol Guide Approved Document M

Can be fitted inside (lock side using bumper provided) or outside of the door (non lock side).

Tested for durability 200,000 cycles completed without failure for fire rated smoke doors.

Suitable for all types of wooden doors. 14mm maximum drop, Graduated Scissor action (seal drops on hinge side before lock side).

Noise Reduction Index up to Rw 38dB*

Min/Max Gap: 3mm - 13mm.

Seal Lengths:
330mm, 430mm, 530mm, 630mm, 730mm, 830mm, 930mm, 1030mm, 1130mm, 1230mm.
Maximum trimming length 100mm.

Anodised Satin clear finish

Seal easily removed to prevent damage during installation.

* 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.

Seal Length

Our Price: £13.08

Prices include VAT.

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