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Scope

Geprüftes/zugelassenes Bauteil

flat roof fdmnko01-01

flat roof solid wood construction, not ventilated, without dry lining, without lining

Building physical assessment

Fire performance REI 30
maximum span = 5 m; maximum load Ed,fi = 5 kN/m²; also REI 60 without 12,5 mm gypsum plasterboards with improved properties at high temperatures (fire) or gypsum fibre board  
Classified by HFA  
Thermal performance U 0,21 W/(m2K)
Diffusion adequate
Acoustic performance Rw (C;Ctr) 50 dB (-2; -7)
Ln,w (Cl)
Mass per unit area m 184,5 kg/m2
 
Download fdmnko01-1.ifc
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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 50,0 gravel gravel 0,700 1 1800 1,000 A1
B separation nonwoven [sd & le; 0,2m]
C sealing sheet sd≥ 100m
D 200,0 wood-fibre insulation board [0,045; R=160] (2*100) 0,045 5-7 160 2,100 E
E sealing sheet e.g. bitumen
F 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

Ecological rating (per m2 construction area)

Database ecoinvent

Built-in renewable materials 92,7 kg
Share of renewable materials of total weight 48,31 %
Global warming potential (GWP-T) -83,536 kgCO2Äqv.
Energy use of Primary Energy 1174,4 MJ
Share of renewable Primary Energy 8,9 %
∑ΔOI3 70,5
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 66,255 -149,791 -83,536 104,902 1445,414 1550,316 1069,502 256,373 1325,875 0,301 0,126 7.2773259E-6 0,072

Database GaBi (ÖKOBAUDAT)

Built-in renewable materials 107,2 kg
Biogenic carbon 153,9 kgCO2Äqv.
Energy use of Primary Energy 1468,2 MJ
Share of renewable Primary Energy 34,0 %

Resources
Lifecycle
Phase		 GWP
[kgCO2Äqv.]		 AP
[kgSO2Äqv.]		 EP
[kgPO4Äqv.]		 ODP
[kgR11Äqv.]		 POCP
[kgEthenÄqv.]		 PERE
[MJ]		 PERM
[MJ]		 PERT
[MJ]		 PENRE
[MJ]		 PENRM
[MJ]		 PENRT
[MJ]
A1 - A3 -100,442 0,162 0,032 3.29E-6 0,032 494,006 1541,674 2033,180 914,186 164,944 1078,430
C1 - C4 149,100 0,014 0,002 1.51E-7 0,001 4,965 -1541,674 -1536,709 55,087 -35,374 19,713
A1 - C4 48,658 0,176 0,034 3.45E-6 0,033 498,971 0,000 496,471 969,273 129,570 1098,143

Last update 02.08.2023/hfa.eco2soft