Retractable door seal, Schall-EX WS with release plate, Athmer

  • Application and function, automatic door seals
  • Area of application

    • Protection against cold, draught and vermin
    • Reduces light leakage
    • soundproofing
    • smoke control
    • Fire resistance
    • Safes energy of air conditioning systems (see following example)

    Example calculation of energy savings:

    Door width 960 mm,

    pressure difference between indoor and outdoor 10 Pa,

    room temperature 25°C and relative humidity of 90 %,

    outdoor temperature 35°C and relative humidity of 70 %,

    floor gap 7 mm

    Without seal: leakage rate approx. 41 m3/h

    With seal: leakage rate under 2 m3/h

    The area of application in which the door is used is mainly governed by the sealing profile material (PVC or silicone). High quality, self-extinguishing silicone seals are used for fire resistant and smoke control doors.


    Retractable door seals are available with single-side or double-side release mechanism. Seals with single-side release (with double doors) are released on the hinge side or on the lock side, depending on the model. Double-side release always means release at the hinge side and at the lock end. With double-side release seals, the sealing profile is raised and lowered faster, which prolongs its life time considerably.


    The sealing profile is pressed automatically against the floor or engages with a threshold as the door is closed.

    Automatic door seals can be distinguished between retractable door seals and sill seals.

    Sill seals are always used in combination with a threshold, it is, however, recommended to use retractable door seals also in combination with a threshold in case of carpet fitted floors or butt joints with different floor coverings.

  • Installation types, automatic door seals
  • Installation types

    Automatic door seals can be fitted in different ways depending on the model and application.

    Full mortice fitted, With mounting bracket

    Full mortice fitted and face fixed


    screwed on

    Plug-fitted and/or glue fixed (glass)

    screwed underneath


    Complete your selection



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    NONE Min. 1

    950.05.501 Dr.seal 708

    length: 708 mm, double-side release

    950.05.502 Dr.seal 833

    length: 833 mm, double-side release

    950.05.503 Dr.seal 958

    length: 958 mm, double-side release

    950.05.504 Dr.seal 1083

    length: 1,083 mm, double-side release

    950.05.505 Dr.seal 1208

    length: 1,208 mm, double-side release

    Product details
    • Adapts perfectly to any floor condition due to 3-spring mechanism
    • Abrasive surface reduced by up to 83%

    Area of application

    For soundproof doors (DIN 4109)
    for smoke control doors in compliance with EN 1634-3
    for fire resistant doors in compliance with EN 1634-1


    Carrier: Aluminium
    sealing profile: Silicone, self-extinguishing


    Carrier: Bright
    sealing profile: Grey


    Double-side release

    Sound proofing value

    51 dB with 6 mm floor gap, 50 dB with 7 mm floor gap

    Sealing height

    ≤12 mm


    For full mortice fitting with mounting brackets (also fixed sizes)
    lengths from 833 mm can be shortened by ≤125 mm (also fixed sizes)

    Installation dim.

    Groove: 15 x 30 mm


    For DIN left and DIN right hand use
    Adapts perfectly to any floor condition due to 3-spring mechanism
    Product Features

    Supplied with

    1 retractable door seal

    2 release plates with screws

    Order reference

    Fixed lengths available on request.

    Häfele China Co., Ltd.
    No. Jia 25, Yu Hua Road
    Area B, Tianzhu Airport Industrial Zone
    Beijing, 101318
    Tel: +86 10/8048 2686
    Fax: +86 10/8048 2885

    Retractable door seal, Schall-EX Duo L-15 WSE, Athmer

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