LWT
| Certified since | 19 listopada 2015 |
| Strefa klimatyczna | Cool, temperate |
| Typ okna | Schody strychowe |
| Klasa efektywności | phA+ |
| Materiał | Drewno |
| UW | 0,51 W/(m2K) |
Opis
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.
| Nazwa | Szerokość ramy | Wartość U | Ψ-Value | Frsi-Value |
|---|---|---|---|---|
| Dół | 40 mm | 0,52 W/(m²K) | 0,000 W/(mK) | |
| Góra | 40 mm | 0,52 W/(m²K) | 0,000 W/(mK) | |
| BOCZNY | 40 mm | 0,52 W/(m²K) | 0,000 W/(mK) |
