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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdrhbi07b

flat roof timber frame construction, ventilated, with dry lining, not suspended

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 fire­klasse EN
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 15,0 fibreboard (MDF) 0,140 11 600 1,700 D
D sarking membrane sd ≤ 0,3m 1000 E
E construction timber (80/..; e=800) 0,120 50 450 1,600 D
F - variable insulation material
G vapour barrier sd≥ 1m 1000
H 24,0 spruce wood cladding with spacing of cladding boards(24/100); a=400 0,120 50 450 1,600 D
I 25,0 gypsum plaster board type DF (2x12,5 mm) or 0,250 10 800 1,050 A2
I 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) [dB] ΔOI3 m [kg/m²]
fdrhbi07b-00 E
F 		200,0
200,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		368,0 60 0,21 adequate 49 (-3,-8) 36,05 45,0
fdrhbi07b-01 E
F 		220,0
220,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		388,0 60 0,19 adequate 49 (-2,-7) 37,28 46,3
fdrhbi07b-02 E
F 		240,0
240,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		408,0 60 0,18 adequate 50 (-3,-8) 38,52 47,6
fdrhbi07b-03 E
F 		200,0
200,0 		construction timber
mineral wool [035; 50; <1000°C] 		368,0 60 0,19 adequate 50 (-2,-7) 58,65 51,1
fdrhbi07b-04 E
F 		200,0
200,0 		construction timber
mineral wool [038; ≥33; ≥1000°C] 		368,0 60 0,21 adequate 49 (-2,-7) 41,88 48,1
fdrhbi07b-05 E
F 		200,0
200,0 		construction timber
cellulose fibre [040; E] 		368,0 60 0,21 adequate 50 (-3,-8) 19,82 52,0
fdrhbi07b-06 E
F 		200,0
200,0 		construction timber
sheep wool [0,041; R=26] 		368,0 60 0,23 adequate 49 (-4,-9) 29,99 45,0

Last update 02.08.2023/nu.ge