LWT
Certified since | 19 ноября 2015 г. |
Climate zone | Прохладный, умеренный |
Тип | Attic Staircase |
Sub Type | |
Efficiency Class | phA+ |
Material | Timber |
UW | 0,51 W/(m2K) |
Open type |
Описание
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.
Имя | 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) |