Custom Audio Designs Ltd 

Acoustic Seals | Acoustic Door Seals | Acoustic Window Seals | Sound Sealing Systems


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Door Threshold Acoustic Seals

acoustic seal

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  • HL-Door Seal (PART CODE SE500)
  • AS-Threshold Strip (PART CODE SE490)
  • Applications:-surface mounted internal door thresholds.
  • Reductions of 12dB can be achieved when used with appropriate head and jamb seals.
  • Supplied in 1000mm lengths as standard (2m lengths available on request).
  • All fixings supplied.

acoustic seals
  • GA-Door Seal (PART CODE SE480)
  • Hardwood Threshold (not supplied) or use AS Threshold strip above
  • Applications:-surface mounted internal door thresholds.
  • Reductions of 12dB can be achieved when used with appropriate head and jamb seals.
  • Supplied in 1000mm lengths as standard (2m lengths available on request).
  • All fixings supplied.

acoustic seal

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  • ACS-Contact Strip (PART CODE SE600)
  • NB-Threshold (PART CODE SE620)
  • Applications:-rebated/hidden internal door thresholds.
  • Ideal for upgrading existing doors.
  • Reductions of 10dB can be achieved when used with appropriate head and jamb seals.
  • Supplied in 1000mm lengths as standard (2m lengths available on request).
  • All fixings supplied.

acoustic seal 80017

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  • LAS8007si Automatic Threshold Seal
  • The LAS8007si is a fully morticed version of the LAS8006si. It is a heavy duty threshold seal and is reversable for left and right handed operation.
  • Applications:- Single swing doors. (Min. door thickness 45mm).
  • Min/max gap size: 1mm/15mm.
  • Durability: Completed 1,000,000 cycles without failure.
  • Adjustment: Self-levelling on uneven surfaces - can be adjusted independently of the fixing screws.
  • Fixing: All fixings supplied.
  • Supplied in 835mm, 935mm (PART CODE SE330), 1035mm (PART CODE SE332), 1135mm (PART CODE SE334)
    (PLEASE NOTE: seals cut back to next lowest width ONLY for exact size).
  • This seal is spring loaded to lift clear of the floor as soon as the door leaf is opened by a few millimetres.
  • Used in conjunction with threshold plates at the bottom of the page
  • Shorter lengths available to special order

acoustic seal 8006

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  • LAS8006si Automatic Threshold Seal
  • A heavy duty door bottom seal. This aesthetic seal, incorporating a kick plate, is installed into a solid core door in a semi-morticed manner.
  • It is adjustable for left and right hand operation. When semi-morticing an minimum door thickness of 50mm should be maintained.
  • It is also reversable and can be surface mounted.
  • Applications:- Single swing doors.
  • Min/max gap size: 1mm/15mm.
  • Durability: Completed 1,000,000 cycles without failure.
  • Adjustment: Self-levelling on uneven surfaces - can be adjusted independently of the fixing screws.
  • Fixing: All fizings supplied.
  • Rwup to 36dB when used with appropriate solid core door assembly, head and jamb seals.
  • Supplied in 735mm, 835mm, 935mm (PART CODE SE220), 1035mm (PART CODE SE222), 1135mm (PART CODE SE224)
    (PLEASE NOTE: seals cut back to next lowest width ONLY for exact size).
  • This seal is spring loaded to lift clear of the floor as soon as the door leaf is opened by a few millimetres.
  • Used in conjunction with threshold plates at the bottom of the page
  • Shorter lengths available to special order

acoustic seal 8001

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  • LAS8001si Automatic Threshold Seal
  • A medium duty automatic door bottom seal fully morticed into the bottom of a door with a 34mm x 15mm groove.
  • This seal is a very effective acoustic threshold seal when used in conjunction with appropriate head and jamb seals.
  • Applications:- Single swing doors.
  • Min/max gap size: 1mm/13mm.
  • Durability: Completed 1,000,000 cycles without failure.
  • Adjustment: Self-levelling on uneven surfaces - can be adjusted independently of the fixing screws.
  • Fixing: All fixings supplied.
  • Rwof up to 37dB when used with appropriate acoustic door assembly, head and jamb seals.
  • Supplied in 635mm, 735mm, 835mm (PART CODE SE130), 935mm (PART CODE SE132), 1035mm (PART CODE SE134) and 1135mm lengths
    (PLEASE NOTE: seals cut back to next lowest width ONLY for exact size).
  • This seal is spring loaded to lift clear of the floor as soon as the door leaf is opened by a few millimetres.
  • Used in conjunction with threshold plates at the bottom of the page



acoustic seal 4001

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  • Floor Threshold Plate
  • Applications:- For use with all our range of threshold seals.
  • Supplied in 1m and 2.1m lengths
  • All fixings supplied.


All information contained in these details is given in good faith but without warranty.
Custom Audio Designs reserves the right to alter the specifications of any product without notice.
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