LWT
Certified since | 19 de noviembre de 2015 |
Climate zone | Frío, templado |
Tipo | Attic Staircase |
Sub Type | |
Efficiency Class | phA+ |
Material | Madera |
UW | 0,51 W/(m2K) |
Open type |
Descripción
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.
Nombre | Frame width | U-Value | Ψ-Value | Frsi-Value |
---|---|---|---|---|
Bottom | 40 mm | 0,52 W/(m²K) | 0,000 W/(mK) | |
Top | 40 mm | 0,52 W/(m²K) | 0,000 W/(mK) | |
Lateral | 40 mm | 0,52 W/(m²K) | 0,000 W/(mK) |