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Scope

Geprüftes/zugelassenes Bauteil

flat roof fdrhbi04a-03

flat roof timber frame construction, ventilated, with dry lining, not suspended

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 0,18 W/(m2K)
Diffusion adequate
Calculated by HFA  
Acoustic performance Rw (C;Ctr) 47 dB (-2; -6)
Ln,w (Cl)
Rating by TGM  
Mass per unit area m 47,5 kg/m2
Calculation based on gypsum plaster board type DF GKF
 

data sheet flat roof
fdrhbi04a-03 (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.

Download fdrhbi04a-3.ifc
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
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 15,0 OSB (sealed with airtight tape) 0,130 200 600 1,700 D
I 24,0 spruce wood cladding with spacing of cladding boards(24/100); a=400 0,120 50 450 1,600 D
J 12,5 gypsum plaster board type DF or 0,250 10 800 1,050 A2
J 12,5 gypsum fibre board 0,320 21 1000 1,100 A2

Ecological rating (per m2 construction area)

Database ecoinvent

Built-in renewable materials 40,8 kg
Share of renewable materials of total weight 62,99 %
Global warming potential (GWP-T) -18,711 kgCO2Äqv.
Energy use of Primary Energy 960,8 MJ
Share of renewable Primary Energy 14,2 %
∑ΔOI3 59,8
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 48,633 -67,344 -18,711 136,131 695,300 831,431 824,695 25,765 850,459 0,259 0,120 4.325874E-6 0,043

Last update 02.08.2023/hfa.eco2soft