0832ah03 LWT: (Attic staircase)
0832ah03 LWT: (Attic staircase)
0832ah03 LWT: (Attic staircase): OB1
LWT
| Certified since | Nov. 19, 2015 |
| Climate zone | Cool, temperate |
| Type | Attic staircase |
| Sub type | |
| Efficiency class | phA+ |
| Material | Timber |
| UW | 0.51 W/(m2K) |
| Open type |
Description
Attic stairs made of pinewood with thermally seperated metal fittings and 3 sealing-levels (EPDM). Attic stair hatch of Styrofoam (λ = 0.031 W/mK) with a coating of high density fibreboard (HDF). Sorrounding insulation (λ = 0,035 W/mK) to ceiling structure connection.
| Name | Frame width | U-value | Ψ-value | Frsi-value |
|---|---|---|---|---|
| Bottom | 40 mm | 0.52 W/(m²K) | 0.000 W/(mK) | |
| Head | 40 mm | 0.52 W/(m²K) | 0.000 W/(mK) | |
| Jamb | 40 mm | 0.52 W/(m²K) | 0.000 W/(mK) |
