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- Ready to fix element, according to DIN EN 14975
- Upper cover weatherproof, clad with galvanised sheet
- Insulation of upper cover (U-Value Uo = 1,10 W/m²K)
- All around rubber lip seal
- Locking via espagnolette bolt, cylinder lock possible
- Concertina stair made of diecast aluminium
- Depth of treads 14 cm
- Necessary additional treads in the hatchbox,
according to DIN EN 14975
- Trapdoor insulated, 52 mm sandwich construction
- Insulation (U-Value Ud = 0,80 W/m²K)
- Airtightness class 4 proved according to DIN EN 12207
by IFT Rosenheim
- Spring latch trapdoor locking with operating pole
- Hatchbox made of plywood 19 mm, hight 62 cm, in
unfinished state, all around rubber seal, cover strips
- Double lip seal and insulation for better energy saving
- Upper cover with electrical heating system
- Upper cover clad with aluminium or titanium-zinc sheet
- Steel casing with trapdoor F30 or F90 possible
- Electrically operated concertina stair and roofhatch
- Telescopic handrail and handrail inside the hatchbox
- Top operating handle, cylinder lock
- Water rejecting wood preservation for hatchbox 
| Recommanded Retail Price plus statutory VAT |
Ud / Uo = U-Value of insulated area, calculated by
producer according to DIN EN ISO 6946 |
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Floor to ceiling height (1)
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9 treads 220 - 250 cm
10 treads 251 - 279 cm |
Touch down point (2)
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9 treads 140 - 125 cm
10 treads 150 - 135 cm |
Operating space (3)
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9 treads 150 cm
10 treads 160 cm |
| Opening size |
Tread width |
| 120 x 60 cm |
25 cm |
| 120 x 70 cm |
35 cm |
| 130 x 70 cm |
35 cm |
| 140 x 70 cm |
35 cm |
| Dimensions given are in unfinished state without hatch frame. Dimensions with frame fitted are 2 cm less. |
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