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Regional validity

Scope

Building physical assessment

Fire performance REI 30
maximum span = 5 m; maximum load Ed,fi = 2,62 kN/m²  
Classified by HFA  
Thermal performance U 0,21 W/(m2K)
Diffusion adequate
Calculated by HFA  
Acoustic performance Rw (C;Ctr) 45 dB (-3; -7)
Ln,w (Cl)
Rating by TGM  
Mass per unit area m 45,9 kg/m2
Calculation based on gypsum plaster board type DF GKF
 

data sheet flat roof
fdrhbi06a-01 (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 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 15,0 OSB 0,130 200 600 1,700 D
F 200,0 construction timber (80/..; e=800) 0,120 50 450 1,600 D
G 200,0 mineral wool [040; ≥16; <1000°C] 0,040 1 16 1,030 A1
H vapour barrier sd≥ 8m 1000
I 15,0 OSB 0,130 200 600 1,700 D
J 50,0 spruce wood cross battens (50/80;a=400) 0,120 50 450 1,600 D
K mineral wool [040; ≥16; <1000°C] 0,040 1 16 1,030 A1
L 12,5 gypsum plaster board type DF or 0,250 10 800 1,050 A2
L 12,5 gypsum fibre board 0,320 21 1000 1,100 A2

Ecological rating (per m2 construction area)

Database ecoinvent

Built-in renewable materials 44,2 kg
Share of renewable materials of total weight 70,42 %
Global warming potential (GWP-T) -39,349 kgCO2Äqv.
Energy use of Primary Energy 693,5 MJ
Share of renewable Primary Energy 20,4 %
∑ΔOI3 35,8
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 33,500 -72,849 -39,349 141,761 755,065 896,826 551,722 31,226 582,948 0,172 0,079 2.7397449E-6 0,035

Last update 02.08.2023/hfa.eco2soft