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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 Plastic roofing membrane or E
A sheet metal roofing 7800 A1
B 24,0 spruce wood closed cladding without spacing of cladding boards 0,120 50 450 1,600 D
C 80,0 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
H 15,0 OSB (sealed with airtight tape) 0,130 200 600 1,700 D
I 24,0 spruce wood cladding with spacing of cladding boards(24/100); a=400 0,120 50 450 1,600 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]
fdrhbi04a-00 F
G
200,0
200,0
construction timber
mineral wool [040; ≥16; <1000°C]
377,5 30 0,19 adequate 46 (-2,-6) 36,50 41,4
fdrhbi04a-01 F
G
220,0
220,0
construction timber
mineral wool [040; ≥16; <1000°C]
397,5 30 0,18 adequate 47 (-3,-7) 37,76 42,7
fdrhbi04a-02 F
G
240,0
240,0
construction timber
mineral wool [040; ≥16; <1000°C]
417,5 30 0,17 adequate 47 (-2,-6) 39,01 44,0
fdrhbi04a-03 F
G
200,0
200,0
construction timber
mineral wool [035; 50; <1000°C]
377,5 30 0,18 adequate 47 (-2,-6) 59,50 47,5
fdrhbi04a-04 F
G
200,0
200,0
construction timber
mineral wool [038; ≥33; ≥1000°C]
377,5 30 0,19 adequate 46 (-2,-6) 44,57 44,5
fdrhbi04a-05 F
G
200,0
200,0
construction timber
cellulose fibre [040; E]
377,5 30 0,19 adequate 47 (-3,-7) 28,96 48,4
fdrhbi04a-06 F
G
200,0
200,0
construction timber
sheep wool [0,041; R=26]
377,5 30 0,21 adequate 46 (-3,-7) 30,56 41,4

Last update 07.05.2020/hfa.plb