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- Ready to fix element, according to DIN EN 14975
- No operating space in the roof necessary
- Concertina stair made of diecast aluminium
- Depth of treads 14 cm
- Trapdoor insulated, 62 mm sandwich construction,
white covered underside
- Insulation (U-Values: Ud = 0,55 W/m²K/Ut = 0,58 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 24 cm,
white covered, all around rubber seal
- Cover profiles white, pluggable - Telescopic handrail (required by law)
- Guard rail (required by law)
- Top operating handle
- Cylinder lock
- Installation kit
- Protruding hinges (by customers use of panels or
plasterboards, thickness max. 15 mm,
weight max.10 Kg/m²) 
| Recommanded Retail Price plus statutory VAT |
Ud = U-Value of insulated area, calculated by
producer according to DIN EN ISO 6946 |
Ut = U-Value of concertina stair, tested according to
EN ISO 12567-1 by IFT Rosenheim |
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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 135 - 120 cm
10 treads 145 - 130 cm |
Operating space (3)
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9 treads 145 cm
10 treads 155 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 1,5 cm less. |
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