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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdmnti01a-00

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 = 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 0,12 W/(m2K)
Diffusion adequate
Calculated by HFA  
Acoustic performance Rw (C;Ctr) 60 dB
Ln,w (Cl) 50 dB ()
Rating by TU-GRAZ  
Mass per unit area m 165,4 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 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 200,0 wood-fibre insulation board [0,045; R=160] (2*100) 0,045 5-7 160 2,100 E
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 60,0 mineral wool [040; 20] 0,040 1 20 1,030 A2
J 12,5 gypsum fibre board or 0,320 21 1000 1,100 A2
J 12,5 gypsum plaster board type DF 0,250 10 800 1,050 A2

Ecological rating (per m2 construction area)

Database ecoinvent

Built-in renewable materials 118,4 kg
Share of renewable materials of total weight 82,12 %
Global warming potential (GWP-T) -101,655 kgCO2Äqv.
Energy use of Primary Energy 1603,9 MJ
Share of renewable Primary Energy 10,9 %
∑ΔOI3 96,7
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 89,394 -191,049 -101,655 175,124 1861,002 2036,125 1428,811 263,446 1692,257 0,429 0,176 8.9402908E-6 0,112

Last update 02.08.2023/hfa.eco2soft