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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdmnti01a

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 fire­klasse EN
λ μ min – max ρ c
A 80,0 wooden grating/wooden terrace 0,130 50 500 1,600 D
B sealing sheet sd≥ 100m
C separation nonwoven
D 30,0 impact sound absorbing subflooring MW-T 0,036 1 130 1,030 A1
E - variable insulation material (2*100)
F sealing sheet bitumen
G 140,0 cross laminated timber ≥ 140,0; at least 5-layers, top layer at least 26 mm 0,130 50 500 1,600 D
H 70,0 acoustic hanger (suspension); e=415;
I - variable building material
J 12,5 gypsum plaster board type DF 0,250 10 800 1,050 A2
J 12,5 gypsum fibre board or 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]
fdmnti01a-00 E
I 		200,0
60,0 		wood-fibre insulation board [0,045; R=160]
mineral wool [040; 20] 		587,5 60 0,12 adequate 60 96,71 165,4
fdmnti01a-01 E
I 		200,0
60,0 		Polystyrene EPS-W [R=15]
mineral wool [040; 13] 		587,5 60 0,11 adequate 57 (-4,-11) 85,96 136,4

Last update 02.08.2023/hfa.eco2soft