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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdmobi01a

flat roof solid wood construction, not ventilated, with dry lining, suspended

solid wood construction
Cross-section of standard configuration

solid wood construction
Standard configuration

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 E
B - variable insulation material ; pressure-resistant
C sealing sheet
D 125,0 cross laminated timber ≥ 125,0; at least 5-layers, top layer at least 27,5 mm 0,130 50 500 1,600 D
E 80,0 spruce wood ; battens on resilient clips (50/80; e=625) 0,120 50 450 1,600 D
F 80,0 mineral wool [040; 18] 0,040 1 18 1,030 A1
G - variable building material

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]
fdmobi01a-00 B
G 		300,0
12,5 		mineral wool [040; 130; ≥1000°C]
gypsum plaster board type DF / gypsum fibre board 		60 0,10 adequate 50 162,00 118,1
fdmobi01a-01 B
G 		300,0
19,0 		mineral wool [040; 130; ≥1000°C]
3-ply solid wood panel 		60 0,09 adequate 48 164,42 117,6
fdmobi01a-02 B
G 		300,0
12,5 		wood-fibre insulation board [0,045; R=160]
gypsum plaster board type DF / gypsum fibre board 		60 0,10 adequate 52 95,68 127,1
fdmobi01a-03 B
G 		300,0
19,0 		wood-fibre insulation board [0,045; R=160]
3-ply solid wood panel 		60 0,10 adequate 50 98,09 126,6

Last update 07.05.2020/hfa.plb