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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdmhbi01a

flat roof solid wood construction, ventilated, without 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 sheet metal roofing trapezoidal sheet metal roofing 7800 A1
B 30,0 spruce wood battens (30/50) 0,120 50 450 1,600 D
C 80,0 spruce wood counter battens 0,120 50 450 1,600 D
D - variable building material
E - variable insulation material insulation placed on top of the rafters
F sealing sheet
G 100,0 cross laminated timber BBS 125 5 layer 0,130 50 470 1,600 D
H 70,0 spruce wood battens (60/60; e=625) mounted on resilient clips 0,120 50 450 1,600 D
I 50,0 mineral wool [040; 18] 0,040 1 18 1,030 A1
J 15,0 gypsum plaster boards Rigips RF or 0,250 10 900 1,050 A2
J 15,0 gypsum fibre board Rigidur H 0,350 19 1200 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]
fdmhbi01a-00 D
E 		22,0
200,0 		softboard [047; 200]
softboard [040; 110] 		517,0 60 0,13 adequate 57 109,60 111,0
fdmhbi01a-01 D
E 		22,0
240,0 		softboard [047; 200]
softboard [040; 110] 		557,0 60 0,11 adequate 57 114,17 115,4
fdmhbi01a-02 D
E
180,0 		sarking membrane sd ≤ 0,3m
Aufsparren-Dämmplatte Isover Integra AP Solid Black 		475,0 60 0,13 adequate 55 141,74 102,7
fdmhbi01a-03 D
E
200,0 		sarking membrane sd ≤ 0,3m
Aufsparren-Dämmplatte Isover Integra AP Solid Black 		495,0 60 0,12 adequate 55 148,16 104,7

Source: Saint-Gobain Austria GmbH

Last update 02.08.2023/hfa.eco2soft