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Regional validity

Scope

solid wood construction
Cross-section of standard configuration

solid wood construction
Standard configuration

Note

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.

Register of building materials used for this application, cross-section (from top to bottom)

Thickness [mm] Building material Thermal performance Reaction to fire­
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 - variable building material
E - variable insulation material on-roof insulation
F 0,2 sealing sheet (air tight)
G 120,0 cross laminated timber 0,130 50 500 1,600 D
H 60,0 spruce wood (battens 60/60; e=400) 0,120 50 450 1,600 D
I 60,0 mineral wool [040; 11; <1000°C] 0,040 1 11 1,030 A1
J 12,5 gypsum plaster board type DF 0,250 10 800 1,050 A2

Variations of building components

Thickness of layer Note Fire performance Thermal performance Acoustic performance Eco Sustainability Mass
Thickness [mm] Building material Σ REI U [W/(m²K)] Diffusion Rw (C,Ctr) OI3Kon m [kg/m²]
sdmhbi01a-00 D
E
22,0
180,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
498,5 60 0,13 adequate 53 (-1,-6) 138,9
sdmhbi01a-01 D
E
22,0
200,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
518,5 60 0,12 adequate 54 (-1,-6) 142,9
sdmhbi01a-02 D
E
22,0
240,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
538,5 60 0,11 adequate 55 (-1,-6) 150,9
sdmhbi01a-03 D
E

180,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
476,5 Underlay laminated on insulation board 60 0,14 adequate 46 (-1,-6) 126,3
sdmhbi01a-04 D
E

200,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
496,5 Underlay laminated on insulation board 60 0,13 adequate 47 (-1,-6) 128,9
sdmhbi01a-05 D
E

240,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
516,5 Underlay laminated on insulation board 60 0,12 adequate 48 (-1,-6) 134,1

Last update 27.06.2018/hfa.plb