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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdmobi01a-03

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) 50 dB
Ln,w (Cl)
Assessed by HFA  
Mass per unit area m 126,6 kg/m2
Calculation based on gypsum plaster board type DF GKF
 
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 fire­
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 19,0 3-ply solid wood panel 0,110 50 400 2,500 D

Ecological rating (per m2 construction area)

Database ecoinvent

ΔOI3 98,1
calculated with gypsum plaster fire protection board (GKF/DF); this data includes 3-, 5-, and 7-ply cross laminated timber elements;  
Calculated by HFA  

Resources
Lifecycle
Phase		 GWP
[kg CO2 Äqv.]		 AP
[kg SO2 Äqv.]		 EP
[kg PO4 Äqv.]		 ODP
[kg R11 Äqv.]		 POCP
[kg Ethen Äqv.]		 PERE
[MJ]		 PERM
[MJ]		 PERT
[MJ]		 PENRE
[MJ]		 PENRM
[MJ]		 PENRT
[MJ]
A1 - A3 -110,742 0,445 0,171 9,10e-6 0,023 193,528 1947,098 2140,625 1429,256 287,177 1716,434

Last update 07.05.2020/hfa.plb