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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 0,18 W/(m2K)
Diffusion adequate
Calculated by HFA  
Acoustic performance Rw (C;Ctr) 49 dB (-2; -7)
Ln,w (Cl)
Rating by TGM  
Mass per unit area m 41,4 kg/m2
Calculation based on gypsum plaster board type DF GF
 

data sheet flat roof
fdrhbi08a-05 (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 Plastic roofing membrane or E
A sheet metal roofing 7800 A1
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
D 15,0 fibreboard (MDF) 0,140 11 600 1,700 D
E 200,0 construction timber (80/*; e=800) 0,120 50 450 1,600 D
F 200,0 mineral wool [038; ≥33; ≥1000°C] 0,038 1 33 1,030 A1
G vapour barrier sd≥ 1m 1000
H 50,0 spruce wood cross battens (50/80;a=400) 0,120 50 450 1,600 D
I 50,0 mineral wool [038; ≥33; ≥1000°C] or without insulation in type 01 0,038 1 33 1,030 A1
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 37,8 kg
Share of renewable materials of total weight 61,91 %
Global warming potential (GWP-T) -23,013 kgCO2Äqv.
Energy use of Primary Energy 643,5 MJ
Share of renewable Primary Energy 16,1 %
∑ΔOI3 43,6
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 38,299 -61,312 -23,013 103,710 638,477 742,187 539,757 29,762 569,519 0,213 0,079 2.1156784E-6 0,069

Last update 02.08.2023/hfa.eco2soft