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door threshold seals

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  • HL-Door Seal - £/m (PART CODE SE500)
  • AS-Threshold Strip- £/m (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 (other sizes available on request).
  • All fixings supplied.
  • GA-Door Seal - £/m (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 (other sizes available on request).
  • All fixings supplied.
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  • ACS-Contact Strip - £/m (PART CODE SE600)
  • NB-Threshold - £/m (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 (other sizes available on request).
  • All fixings supplied.
  • 8100 (RP70) Automatic Threshold Seal
    The 8100 is a fully morticed version of the 8090. 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: 3mm/15mm.
  • Durability: Completed 1,000,000 cycles without failure.
  • Adjustment: Self-levelling on uneven surfaces - can be adjusted independantly of the fixing screws.
  • Fixing: All fixings supplied.
  • Rw 36dB when used with appropriate acoustic door assembly, head and jamb seals.
  • 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

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    8090 (RP38) 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 independantly of the fixing screws.
  • Fixing: All fizings supplied.
  • Rw up to 29dB 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

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    8010 (RP8) 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 independantly of the fixing screws.
  • Fixing: All fixings supplied.
  • Rw of 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
  • 8080 (RP60) Automatic Threshold Seal
    A face mounted, easy to install, automatic door bottom seal
  • Applications:- Single swing doors.
  • Min/max gap size: 1mm/12mm.
  • Adjustment: Self-levelling on uneven surfaces - can be adjusted independantly of the fixing screws.
  • Fixing: All fixings supplied.
  • Supplied in 915mm length only but customer can cut back down to 450mm minimum. (PART CODE SE290)
  • 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
  • 3015 Compression Threshold Seal
    A medium duty sweep type doors seal with good compression action. This seal does not allow for any adjustment so should not be used in situations that require this facility. This seal must be used in conjunction with an 4110 or 4120 threshold plate.
  • Applications:- Single and swing doors.
  • Min/max gap size: 5mm/8mm
  • Supplied in 1m (PART CODE SE200) and 2.1m (PART CODE SE210) lengths.
  • Rw of up to 35dB when used with appropriate acoustic door assembly, head and jamb seals.
  • All fixings supplied.
  • Used in conjunction with threshold plates at the bottom of the page
  • 3070 (RP4)
    A multi-blade seal that can be fitted without removing the door and can be used with a number of threshold plates.
  • Applications:- Single swing doors, roller shutter doors, up and over doors.
  • Min/max gap size: 12mm/14mm.
  • Simply fitted to the bottom of the door without any rebating
  • Supplied in 1m lengths (PART CODE SE110).
  • All fixings supplied.
  • Used in conjunction with threshold plates at the bottom of the page





  • Floor Threshold Plates
  • Applications:- For use with all our range of threshold seals.

  • The 4110 or 4120 should always be used with the compression seal 3015 above.

  • 4130 (RP95) top surface flat. (Disabled access approved) (PART CODE SE410) can be used with any of the seals above.



  • 4140 (RP66) designed as an optimum acoustic sealing surface over the top of carpets. Has concealed fixings with self-adhesive aluminium insert. (Disabled access approved) (PART CODE SE320)

  • 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.
    ©Custom Audio Designs 2007