Skip to main content
Regional validity

Scope

timber frame construction
Cross-section of standard configuration

timber frame 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 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 (minimum height 50 mm) 0,120 50 450 1,600 D
D sarking membrane sd ≤ 0,3m 1000 E
E 12,0 OSB 0,130 200 600 1,700 D
F construction timber (80/..; e=800) 0,120 50 450 1,600 D
G - variable insulation material
H vapour barrier sd≥ 11m 1000
I 15,0 OSB 0,130 200 600 1,700 D
J 12,5 gypsum plaster board type DF or 0,250 10 800 1,050 A2
J 12,5 gypsum fibre board 0,320 21 1000 1,100 A2

Variations of building components

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) ΔOI3 m [kg/m²]
sdrhzo02a-00 F
G
200,0
200,0
construction timber
mineral wool [040; ≥16; <1000°C]
319,5 30 0,22 adequate 50 (-2,-8) 29,55 40,9
sdrhzo02a-01 F
G
220,0
220,0
construction timber
mineral wool [040; ≥16; <1000°C]
339,5 30 0,20 adequate 50 (-1,-7) 30,80 42,2
sdrhzo02a-02 F
G
240,0
240,0
construction timber
mineral wool [040; ≥16; <1000°C]
359,5 30 0,19 adequate 51 (-1,-7) 32,06 43,5
sdrhzo02a-03 F
G
200,0
200,0
construction timber
mineral wool [035; 50; <1000°C]
319,5 30 0,20 adequate 51 (-2,-8) 52,55 47,1
sdrhzo02a-04 F
G
200,0
200,0
construction timber
mineral wool [038; ≥33; ≥1000°C]
319,5 30 0,22 adequate 50 (-1,-7) 37,62 44,0
sdrhzo02a-05 F
G
200,0
200,0
construction timber
cellulose fibre [040; E]
319,5 30 0,22 adequate 51 (-2,-8) 22,01 48,0
sdrhzo02a-06 F
G
200,0
200,0
construction timber
sheep wool [0,041; R=26]
319,5 30 0,24 adequate 50 (-3,-9) 23,61 40,9

Last update 07.05.2020/hfa.plb