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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdmnko01-00

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 178,5 kg/m2
 
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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 mineral wool [040; 130; ≥1000°C] (2*100) 0,040 1 130 1,030 A1
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 58,5 kg
Share of renewable materials of total weight 32,52 %
Global warming potential (GWP-T) -15,077 kgCO2Äqv.
Energy use of Primary Energy 1163,0 MJ
Share of renewable Primary Energy 4,9 %
∑ΔOI3 102,6
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 76,394 -91,471 -15,077 57,169 855,000 912,169 1105,811 200,602 1306,412 0,462 0,144 6.538268E-6 0,176

Database GaBi (ÖKOBAUDAT)

Built-in renewable materials 61,2 kg
Biogenic carbon 88,1 kgCO2Äqv.
Energy use of Primary Energy 1283,2 MJ
Share of renewable Primary Energy 23,4 %

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 -37,686 0,311 0,046 4.15E-6 0,029 296,193 1040,824 1334,517 934,054 167,372 1100,728
C1 - C4 103,777 0,017 0,010 1.57E-7 0,002 4,059 -1036,250 -1032,191 47,729 0,000 47,729
A1 - C4 68,311 0,328 0,057 4.31E-6 0,032 300,260 4,574 302,334 982,938 167,372 1149,612

Last update 02.08.2023/hfa.eco2soft