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Industrial sectional door "SL 40"



The Teckentrup SL 40 sectional door with aluminium frame profile and glazing elements is extremely light-permeable and gives every building an elegant style. The high light penetration provides a friendly working environment.

Technical data industrial sectional door SL 40

Performance characteristics (per EN 13241-1)

Thermal insulation: EN 13241-1, Annex B EN 12428
   - U = 3,3 W/(m²K)(door* without wicket door without double glazing)
   - U = 3,7 W/(m²K)(door* with wicket door without double glazing),
     optional: U = 2,6 W/(m²K)(door* mit 5-chamber multi-skin sheet)
   - U = 3,1 W/(m²K) (door* with KS-triple glazing)

     * approx. 25 m² door area²  

Resistance against wind loads per EN 12424
   - class 2 (max. Pa) (with/without wicket door)

Water penetration resistance: per EN 12425
   - class 2/3* (without wicket door)
   - class 1/3* (with wicket door)

   * with additional equipment

Air permeability: per EN 12426
   - class 3 (with/without wicket door)

Fire performance: per DIN EN 4102
   - door leaf element building material class B2

Installation in

• Masonry
• Concrete
• Steel structures

Size range

Modular dimension:
Width:   2000 - 8000 mm
Height:  1875 - 6000 mm
(more dimensions on requets)

Door leaf

• Frame construction made of aluminium profiles;
   cold-rolled section without thermal separation:
   AL-MG-SI 0.5
• Anodised E6/EV1 surface, filled as standard with
   20 mm synthetic double glazing, colourless, synthetic
   holding strip, black with seal


• Standard 20 mm synthetic glazing
• Maximum section height: 750 mm
• Optionally available in scratch-resistant version
• Other fillings available upon request
   (textured glass, ISO panel, expanded grille, perforated plate)


• Shaft drive, chain drive, three-phase voltage 400V 3~Ph, 50 Hz,
   60% ED, protection class IP 65, with emergency hand crank,
   TÜV approved
• Shaft drive with alternating voltage 230 Volt 1~Ph, 50 Hz,
   60% ED, protection cl. IP 65, with emergeny hand crank,
   TÜV approved, combined with a frequency converter control
   with “soft”-start and “soft” stop
• Direct drive as springless door without weight compensation,
   three-phase voltage 400V 3~Ph, 50Hz, 60% ED, protection
   class IP 65, with emergency hand crank, TÜV approved,
   safety device integrated


• For shaft and chain drives, ready to plug pre-wired and with CEE-plug.
   In the basic usage noticed as deadman-control. Function without
   closing edge safety device, control voltage 24V safety extra low
   voltage, protection class IP 65, push buttons open-stop-close
• Pulse control (automatic mode “close“) in connection with closing
   edge safety device
• Radio remote control
• Automatic closing in combination with traffic lights
• Traffic control

Special equipment

• Casing
• Fixed panels
• Matching side door N53 with upper casing
• Stop rail
• Ventilation grille
• Special RAL-colours