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: 0.35 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
Ready-to-install with standard accessories
- Telescoping handrail
- Cover strips, white (wood)
- Operating pole