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  • Productprice0,00 €
  • Extra charge cover strips0,00 €
  • Extra charge shaft railing0,00 €
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  • 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 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 wooden hatch F30 with retractable stairway

Fire protection can be essential for survival. For specific protection in the event of fire, the Roto Frank space-saving stairs with retractable stairway is also available with the fire resistance certification F 30 from the MPA Braunschweig.

Technical Features:

 

  • Fire resistance
    - Certified 30 minutes from below
    * according to DIN 4102-2 by MPA Braunschweig
    - For the installation in ≥200 mm thick ceilings, which according to DIN4102-4, belong to the F30 class *observe our plans
  • Energy label
    - Component: 0.43 W/m²K*
    - Bottom cover: 0.80 W/m²K*
    - Top cover: 0.68 W/m²K*
    * calculated by manufacturer according to DIN EN ISO 6946
  • Energy efficiency
    - Air permeability Class 4 certified*
    * certified by IFT Rosenheim according to DIN EN 12207 / 12114
    - Circumferential seal (triple)
    - 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
  • Hatchbox / hatch cover
    - B1 chipboard panel
    - Underside of cover with white undercoating foil
    - Closure: bar lock
    - Gas strut damping
    - Installation allowance: 2 cm
  • Stairs
    - Aluminium retractable stairways
    - Treads: 25-38, 14 cm deep (made of pressure die-casting)
    - 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
    - Cover strips, white (wood)
    - Operating pole