Skip to main content
Regional validity

Scope

Building physical assessment

Fire performance REI 30
maximum span = 5 m; maximum load Ed,fi = 3,66 kN/m²  
Classified by IBS  
Thermal performance U 0,20 W/(m2K)
Diffusion adequate
Calculated by HFA  
Acoustic performance Rw (C;Ctr) 52 dB (-4; -10)
Ln,w (Cl)
with a tiled roof Rw = 50 (-4; -9) dB  
Assessed by TGM  
Mass per unit area m 37,6 kg/m2
Calculation based on gypsum plaster board type DF GKF
 

Datenblatt pitched roof
sdrhzi08a-07 (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 concrete roof tile or tiled roof 2100 A1
B 30,0 spruce wood battens (30/50) 0,120 50 450 1,600 D
C 50,0 spruce wood counter battens (minimum height 50 mm) 0,120 50 450 1,600 D
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 sheep wool [0,041; R=26] 0,041 1 30 1,720 E
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 sheep wool [0,041; R=26] 0,041 1 30 1,720 E
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

OI3Kon -12,8
Calculated by IBO  

GWP
[kg CO2 Äqv.]
AP
[kg SO2 Äqv.]
PEI ne
[MJ]
PEI e
[MJ]
EP
[kg PO4 Äqv.]
POCP
[kg C2H4 Äqv.]
-32,3 0,108 435,3 779,4 0,017 0,007

Last update 22.01.2018/hfa.plb