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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 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

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) ΔOI3 m [kg/m²]
sdmhzo02-00 D
E
22,0
180,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
382,0 30 0,16 adequate 45 (-1,-7) 92,18 157,4
sdmhzo02-01 D
E
22,0
200,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
402,0 30 0,15 adequate 46 (-1,-7) 95,34 161,4
sdmhzo02-02 D
E
22,0
240,0
softboard [045; 250] - rigid underlay
wood-fibre insulation board [0,040; R=200]
442,0 30 0,13 adequate 47 (-1,-7) 101,67 169,4
sdmhzo02-03 D
E

180,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
360,0 Underlay laminated on insulation board 30 0,18 adequate 38 (-1,-7) 123,95 144,8
sdmhzo02-04 D
E

200,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
380,0 Underlay laminated on insulation board 30 0,16 adequate 39 (-1,-7) 130,95 147,4
sdmhzo02-05 D
E

240,0
sarking membrane sd ≤ 0,3m
mineral wool [040; 130]
420,0 Underlay laminated on insulation board 30 0,14 adequate 40 (-1,-7) 144,96 152,6

Last update 07.05.2020/hfa.plb