pitched roof solid wood construction, ventilated, without dry lining, without lining
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 | sheet metal roofing on structured separation layer | 7800 | A1 | ||||
| B | 24,0 | spruce wood formwork | 0,120 | 50 | 450 | 1,600 | D |
| C | 80,0 | spruce wood counter battens (40/80) | 0,120 | 50 | 450 | 1,600 | D |
| D | 0,5 | sarking membrane sd ≤ 0,3m | 1000 | E | |||
| E | 24,0 | planking spruce wood full formwork | 0,120 | 50 | 450 | 1,600 | D |
| F | construction timber (80/..; e=800) | 0,120 | 50 | 450 | 1,600 | D | |
| G | Cellulose fibre [040; 50] | 0,040 | 1 | 50 | 2,000 | E | |
| H | 0,2 | sealing sheet (air tight) | 0,170 | 1200 | E | ||
| I | 120,0 | cross laminated timber | 0,130 | 50 | 500 | 1,600 | D |
| 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] | ||
| sdmhbo02-00 |
F G |
180,0
180,0 |
construction timber Cellulose fibre [040; 50] |
30 | 0,19 | adequate | 41 (-1,-6) | 39,28 | 105,0 | |
| sdmhbo02-01 |
F G |
200,0
200,0 |
construction timber Cellulose fibre [040; 50] |
30 | 0,18 | adequate | 42 (-1,-6) | 39,76 | 106,8 | |
| sdmhbo02-02 |
F G |
240,0
240,0 |
construction timber Cellulose fibre [040; 50] |
30 | 0,15 | adequate | 43 (-1,-6) | 40,72 | 110,4 | |
Last update 02.08.2023/hfa.eco2soft