Retractable door seal, Schall-Ex Slide & Lock M-12 WS, Athmer

For sliding doors –, length: 958 mm

Art. no. 950.05.283

  • 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 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

    For sliding doors –, length: 958 mm

    Art. no. 950.05.283

    Art. no. 950.05.283


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    Article details

    Area of application

    For sliding doors without lock
    for automatic sliding doors
    for sliding doors where soundproofing, smoke control and fire resistance are required


    Carrier: Aluminium
    sealing profile: Silicone, self-extinguishing


    Carrier: Silver coloured
    sealing profile: Grey


    Single-side release

    Sealing height

    ≤11 mm

    Installation dim.

    Groove: 12 x 35 mm (with floor guide 17 x 35 mm)


    For full mortice fitting, with fixing brackets
    can be shortened at one end by ≤125 mm


    For DIN left and DIN right hand use
    Low release pressure (only 20 N/m)
    Adhesive magnet integrated in fixing bracket prevents unintentional opening
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    Product Features

    Supplied with

    1 sliding door seal

    2 fixing brackets with screws

    1 pressure plate, 1.5 mm thick

    1 adhesive magnet


    Retractable door seal, Schall-Ex Slide & Lock M-12 WS, Athmer

    For sliding doors – length: 958 mm

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