Retractable stairway with steel hatch F90

Our steel hatches are often used in commercial or public areas (JVA, airports, etc.). The hatchbox is manufactured out of sheet steel with a circumferential profile frame. The hatch cover has an inner insulation and circumferential double seal.

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. F90 classes according to DIN 4102-4
Energy label
- Component: 0.93 W/m²K*
* calculated by manufacturer according to DIN EN ISO 6946
Energy efficiency
- Circumferential seal (double)
- Thermal insulation in the cover
Hatchbox / cover
- Sheet steel, primed
- With circumferential profile frame
- Snap-lock closure
- Case height: 24 cm
- Installation allowance 1.5 cm
Stairs
- Aluminium retractable stairways
- Treads: 20-38, 14 cm deep (made of pressure die-casting)
- Treads: 43-58, 16 cm deep (made of aluminium profile)
- Load bearing 200 kg
- We always deliver the maximum possible
Ready-to-install with standard accessories
- Telescoping handrail
- Mounting screws
- Operating pole