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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) 46 dB (-2; -6)
Ln,w (Cl)
Rating by TGM  
Mass per unit area m 43,9 kg/m2
Calculation based on gypsum plaster board type DF GKF
 

Datenblatt flat roof
fdrhbi03a-00 (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.

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 fire­
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 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 15,0 OSB 0,130 200 600 1,700 D
I vapour barrier sd≥ 11m 1000
J 24,0 spruce wood cladding with spacing of cladding boards(24/100); a=400 0,120 50 450 1,600 D
K 12,5 gypsum plaster board type DF or 0,250 10 800 1,050 A2
K 12,5 gypsum fibre board 0,320 21 1000 1,100 A2

Ecological rating (per m2 construction area)

Database ecoinvent

ΔOI3 34,8
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 -37,758 0,167 0,075 2,75e-6 0,012 77,773 730,718 808,491 533,090 32,118 565,209

Last update 07.05.2020/hfa.plb