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  • Extra charge cover strips0,00 €
  • Extra charge shaft railing0,00 €
  • Extra charge Absturzsicherung0,00 €
  • Extra charge handrail0,00 €
  • Extra charge Deckelanschlag0,00 €
  • Extra charge Zusatzstufen / division of cover0,00 €
  • Extra charge Deckelbeschlag0,00 €
  • Extra charge Deckel elektrisch0,00 €
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  • Extra charge Komfortstufen0,00 €
  • Extra charge junction of hatchbox0,00 €
  • Extra charge U-Wert0,00 €
  • Extra charge top opening device0,00 €
  • Extra charge RAL colour concertina0,00 €
  • Extra charge lock0,00 €
  • Extra charge Schloß oben0,00 €
  • Extra charge Doppel-Deckel DD0,00 €
  • Extra charge Montagehilfe0,00 €
  • Extra charge hinges0,00 €
  • Extra charge remote control0,00 €
  • Extra charge protective rail for opening0,00 €
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Space-saving stairs steel hatch F60 / F90 with retractable stairway Electro

In public buildings, our weather-resistant solution for the installation in reinforced concrete ceilings, which belong to the fire resistance class F90, have proven very reliable. The low-noise electric motor securely extends and retracts the stairway.

 

Technical Features:

 

  • Steel hatch F90
    - Certified 90 minutes from below
    * according to DIN4102 Part 2 by MPA Stuttgart
    - Installation in reinforced steel cement ceilings from 180 mm that belong to min. F60 / F90 classes according to DIN 4102-4
  • Energy label
    - Component: 0.30 W/m²K*
    - Bottom cover: 0.93 W/m²K*
    - Top cover: 0.68 W/m²K*
    * calculated by manufacturer according to DIN EN ISO 6946
  • Energy efficiency
    - Circumferential seal (quadruple)
    - Thermal insulation in the covers
  • Upper cover
    - Metal flashing with galvanised sheet steel
    - Closure: bar lock
    - Prepared for customer-provided profile cylinder
    - Edge glued for protection against weather
    - incl. rubber hollow profile seal (double) with contact lip for roof membrane
    - Side customer-provided insulation max. 40 mm
    - Impermeable to driving rain (Class E1200)
  • Hatchbox / cover
    - With circumferential profile frame
    - Case height: 33 cm (steel case)
    - Wooden insert: water resistant
    - Installation allowance 2 cm
  • Stairs
    - Aluminium retractable stairways
    - Treads: 25-38, 14 cm deep (made of pressure die-casting)
    - Treads: 43-58, 16 cm deep (made of aluminium profile)
    - Load bearing 200 kg per tread
    - We always deliver the maximum possible tread width – see page 100 - 103
  • Ready-to-install with standard accessories
    - Telescoping handrail
    - Operating pole
  • Electronics
    - 24 Volt drive
    - Low noise with emergency power supply
    - Control unit with one button
    - Automatic limit stop and safety stop