Loft ladder Designo DD

The right stairway for passive house requirements or unheated roof spaces. You can close the upper cover immediately when moving through the attic thus preventing moist air from flowing into the attic and condensing there in the cold areas.

Technical features:

Energy label
- Component: 0.29 W/m²K*
- Bottom cover: 0.60 W/m²K*
- Top cover: 0.38 W/m²K**
* calculated by manufacturer according to DIN EN ISO 6946
Energy efficiency
- Air permeability Class 4
* certified by IFT Rosenheim according to DIN EN 12207 / 12114
- Circumferential seal
- Thermal insulation in the cover
Hatchbox / cover
- Hatchbox & cover: white coating
- Hatchbox height: 67 cm
- Closure: 6-point locking
- Cover thicknesses: 67 mm
- Deckenbündiger Einbau möglich
- Top cover: with gas strut
- Installation allowance: 2 cm
Stairs
- Wood ladder 3-pc made of coniferous wood
- Tread dimensions: 8 x 33 (with anti-slip profile)
- Adjustment screw for inclination adjustment
- Load bearing 180 kg
Ready-to-install with a wide range of accessories
- Handrail
- Insulating and sealing block on the hatchbox
- Bulk insulating material for insulating hollow spaces in the building
- Mounting screws
- Protective cap feet
- Operating pole
- Snap-on white covering strips