Skip to main content
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 concrete roof tile /tiled roof 2100 A1
B 30,0 spruce wood battens (30/50) 0,120 50 450 1,600 D
C 30,0 spruce wood counter battens (Germany 30mm); Austria: minimum 50mm 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]
sdmhzi02a-00 D
E
22,0
180,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
454,5 60 0,13 adequate 52 (-1,-7) 172,0
sdmhzi02a-01 D
E
22,0
200,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
474,5 60 0,12 adequate 53 (-1,-7) 176,0
sdmhzi02a-02 D
E
22,0
240,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
514,5 60 0,11 adequate 54 (-1,-7) 184,0
sdmhzi02a-03 D
E

180,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
432,5 Underlay laminated on insulation board 60 0,14 adequate 45 (-1,-7) 159,4
sdmhzi02a-04 D
E

200,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
452,5 Underlay laminated on insulation board 60 0,13 adequate 46 (-1,-7) 162,0
sdmhzi02a-05 D
E

240,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
492,5 Underlay laminated on insulation board 60 0,12 adequate 47 (-1,-7) 167,2

Last update 27.06.2018/hfa.plb