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Regional validity

Scope

Building physical assessment

Fire performance REI 30
maximum span = 5 m; maximum load Ed,fi = 3,66 kN/m²  
Classified by HFA  
Thermal performance U 0,16 W/(m2K)
Diffusion adequate
Calculated by HFA  
Acoustic performance Rw (C;Ctr) 51 dB (-3; -8)
Ln,w (Cl)
Rating by TGM  
Mass per unit area m 42,0 kg/m2
Calculation based on gypsum plaster board type DF GF
 

data sheet flat roof
fdrhbi01a-04 (pdf, 250 KB)

Note

The design of the under-roof construction and of the counter-battens have to be specified according to the roof pitch and the national requirements.

Only for registered members after logging in.
timber frame construction
Cross-section of standard configuration
timber frame 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 sheet metal roofing or plastic roofing membrane 7800 A1
A Plastic roofing membrane E
B 24,0 spruce wood closed cladding without spacing of cladding boards 0,120 50 450 1,600 D
C 80,0 spruce wood counter battens (ventilation) 0,120 50 450 1,600 D
D sarking membrane sd ≤ 0,3m 1000 E
E 22,0 softboard [045; 250] - rigid underlay 0,045 5 250 2,100 E
F 200,0 construction timber (80/*; e=800) 0,120 50 450 1,600 D
G 200,0 mineral wool [035; 50; <1000°C] 0,035 1 50 1,030 A1
H vapour barrier sd≥ 2m 1000
I 50,0 spruce wood cross battens (50/80;a=400) 0,120 50 450 1,600 D
J 50,0 mineral wool [035; 50; <1000°C] or without insulation in type 01 0,035 1 50 1,030 A1
K 12,5 gypsum fibre board or 0,320 21 1000 1,100 A2
K 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 34,3 kg
Share of renewable materials of total weight 57,42 %
Global warming potential (GWP-T) -6,070 kgCO2Äqv.
Energy use of Primary Energy 976,2 MJ
Share of renewable Primary Energy 12,0 %
∑ΔOI3 64,6
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 50,293 -56,363 -6,070 116,865 581,542 698,407 859,340 19,383 878,723 0,273 0,127 4.5603616E-6 0,043

Last update 02.08.2023/hfa.eco2soft