pitched roof exposed rafter, ventilated, -, 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. Depending on the requirements (eg increased rainproof under-roof), an additional underlay is required.
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 (Austria: minimum height 50 mm), Germany 30 mm | 0,120 | 50 | 450 | 1,600 | D |
D | 15,0 | fibreboard (MDF) | 0,140 | 11 | 600 | 1,700 | D |
E | construction timber (80/..; e=800) | 0,120 | 50 | 450 | 1,600 | D | |
F | - variable insulation material | ||||||
G | vapour barrier sd≥ 2m | 1000 | |||||
H | 40,0 | spruce wood tongue and groove, fire protection cladding (Germany Minimum 50 mm) | 0,120 | 50 | 450 | 1,600 | D |
I | construction timber in acc. with structural design | 0,120 | 50 | 450 | 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] | ||
sdshzx02-00 |
E F |
180,0
180,0 |
construction timber Cellulose fibre [040; 50] |
315,0 | 30 | 0,22 | adequate | 42 (-2,-8) | 18,97 | 109,2 |
sdshzx02-01 |
E F |
240,0
240,0 |
construction timber Cellulose fibre [040; 50] |
375,0 | 30 | 0,17 | adequate | 44 (-2,-8) | 20,60 | 114,6 |
Last update 02.08.2023/hfa.eco2soft