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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 trapezoidal sheet metal roofing A1
B 80,0 spruce wood battens (80/50) 0,120 50 450 1,600 D
C 50,0 spruce wood counter battens (ventilation) 0,120 50 450 1,600 D
D sarking membrane sd ≤ 0,3m 1000 E
E 22,0 softboard [045; 250] - rigid underlay 0,045 5 250 2,100 E
F construction timber (80/..; e=800) 0,120 50 450 1,600 D
G - variable insulation material
I 24,0 spruce wood cladding with spacing of cladding boards(24/100); a=400 0,120 50 450 1,600 D
I vapour barrier sd≥ 2m 1000
J 25,0 gypsum plaster board type DF (2x12,5 mm) or 0,250 10 800 1,050 A2
J 25,0 gypsum fibre board (2x12,5 mm) 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]
fdrhbi05b-00 F
G
200,0
200,0
construction timber
mineral wool [040; ≥16; <1000°C]
401,0 60 0,20 adequate 49 (-3,-8) 68,12 41,9
fdrhbi05b-01 F
G
220,0
220,0
construction timber
mineral wool [040; ≥16; <1000°C]
421,0 60 0,18 adequate 49 (-2,-7) 69,38 43,2
fdrhbi05b-02 F
G
240,0
240,0
construction timber
mineral wool [040; ≥16; <1000°C]
441,0 60 0,17 adequate 50 (-3,-8) 70,63 44,5
fdrhbi05b-03 F
G
200,0
200,0
construction timber
mineral wool [035; 50; <1000°C]
401,0 60 0,18 adequate 50 (-2,-7) 91,12 48,0
fdrhbi05b-04 F
G
200,0
200,0
construction timber
mineral wool [038; ≥33; ≥1000°C]
401,0 60 0,20 adequate 49 (-2,-7) 76,19 42,6
fdrhbi05b-05 F
G
200,0
200,0
construction timber
cellulose fibre [040; E]
401,0 60 0,20 adequate 50 (-3,-8) 60,58 48,9
fdrhbi05b-06 F
G
200,0
200,0
construction timber
sheep wool [0,041; R=26]
401,0 60 0,22 adequate 49 (-4,-9) 62,18 41,9

Last update 07.05.2020/hfa.plb