pitched roof timber frame construction, ventilated, without dry lining, directly
The design of the under-roof construction and of the counter-battens have to be specified according to the roof pitch and the national requirements.
| Thickness [mm] | Building material | Thermal performance | Reaction to fireklasse EN | ||||
|---|---|---|---|---|---|---|---|
| λ | μ min – max | ρ | c | ||||
| A | concrete roof tile or tiled roof | 2100 | A1 | ||||
| B | 30,0 | spruce wood battens (30/50) | 0,120 | 50 | 450 | 1,600 | D |
| C | 50,0 | spruce wood counter battens (minimum height 50 mm) | 0,120 | 50 | 450 | 1,600 | D |
| D | sarking membrane sd ≤ 0,3m | 1000 | E | ||||
| E | 12,0 | OSB | 0,130 | 200 | 600 | 1,700 | D |
| F | construction timber (80/..; e=800) | 0,120 | 50 | 450 | 1,600 | D | |
| G | - variable insulation material | ||||||
| H | vapour barrier sd≥ 11m | 1000 | |||||
| I | 15,0 | OSB | 0,130 | 200 | 600 | 1,700 | D |
| J | 12,5 | gypsum plaster board type DF or | 0,250 | 10 | 800 | 1,050 | A2 |
| J | 12,5 | gypsum fibre board | 0,320 | 21 | 1000 | 1,100 | A2 |
| Thickness of layer | Fire performance | Thermal performance | Acoustic performance | Eco Sustainability | Mass | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thickness [mm] | Building material | Σ | REI | U [W/(m²K)] | Diffusion | Rw (C,Ctr) [dB] | ΔOI3 | m [kg/m²] | ||
Last update 02.08.2023/nu.ge