LWT
| Certificado desde | 19 de noviembre de 2015 |
| Zona climática | Fría templada |
| Tipo | Escalera del ático |
| Subtipo | |
| Clase de eficiencia | phA+ |
| Material | Madera |
| UW | 0,51 W/(m2K) |
| Tipo de apertura |
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 | Ancho de marco | Valor U | Valor Ψ | Valor fRsi |
|---|---|---|---|---|
| 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) |






