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Scope

Geprüftes/zugelassenes Bauteil

flat roof fdmobi01a-02

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

Building physical assessment

Fire performance REI 60
maximum span = 5 m; maximum load Ed,fi = 0,6 kN/m²  
Classified by HFA  
Thermal performance U 0,10 W/(m2K)
Diffusion adequate
Calculated by HFA  
Acoustic performance Rw (C;Ctr) 52 dB
Ln,w (Cl)
Rating by HFA  
Mass per unit area m 127,1 kg/m2
Calculation based on gypsum plaster board type DF GKF
 
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solid wood construction
Cross-section of standard configuration
solid wood construction
Standard configuration

Register of building materials used for this application, cross-section (from outside to inside)

Thickness [mm] Building material Thermal performance Reaction to fire­klasse EN
λ μ min – max ρ c
A Plastic roofing membrane E
B 300,0 wood-fibre insulation board [0,045; R=160] ; pressure-resistant 0,045 5-7 160 2,100 E
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 12,5 gypsum plaster board type DF / gypsum fibre board 0,250 10 800 1,050 A2

Ecological rating (per m2 construction area)

Database ecoinvent

Built-in renewable materials 113,3 kg
Share of renewable materials of total weight 84,45 %
Global warming potential (GWP-T) -96,914 kgCO2Äqv.
Energy use of Primary Energy 1554,6 MJ
Share of renewable Primary Energy 9,7 %
∑ΔOI3 91,6
calculated with gypsum plaster fire protection board (GKF/DF); this data includes 3-, 5-, and 7-ply cross laminated timber elements;  
Calculated by HFA  

Global warming potential Share of renewable Primary Energy Resources
Lifecycle
Phase		 GWP-F
[kgCO2Äqv.]		 GWP-B
[kgCO2Äqv.]		 GWP-T
[kgCO2Äqv.]		 PERE
[MJ]		 PERM
[MJ]		 PERT
[MJ]		 PENRE
[MJ]		 PENRM
[MJ]		 PENRT
[MJ]		 AP
[kgSO2Äqv.]		 EP
[kgPO4Äqv.]		 ODP
[kgR11Äqv.]		 POCP
[kgEthenÄqv.]
A1 - A3 87,372 -184,286 -96,914 150,634 1793,031 1943,665 1403,966 281,710 1685,676 0,387 0,166 9.0865552E-6 0,084

Last update 02.08.2023/hfa.eco2soft