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depiction:


AW38_

Wall: exposed to outside air – back-ventilated (BG1) – IBO benchmarks 2020
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0,149 W/m²K
A++
A+
A
B
C
D
E
F
G
OI-Class (BG1)4
C
mass 87,0 kg/m²
PENRT 1058 MJ/m²
GWP total -27,1 kg CO2/m²
AP 0,481 kg SO2/m²
no. type layer (from inside to outside) d
cm
λ
W/mK
R
m²K/W
ΔOI3
pts/m²
1 homogene Schichthomogene Schicht Rigips Feuerschutzplatte (Rigips Feuerschutzplatte) 1,25 0,250 0,05 2
2 homogene Schichthomogene Schicht Rigips Federschiene (27 mm; e=625) / MW 40 mm im Gefach komprimiert (z. B. Isover Akustic SSP1) (ISOVER Akustic SSP 2) 3,00 0,034 0,88 6
3 homogene Schichthomogene Schicht Brettsperrholz BBS (5-lagig) (binderholz Brettsperrholz BBS (Fichte)) 10,00 0,120 0,83 16
4 homogene Schichthomogene Schicht Mineralwolle vollflächig, zB. Isover Sillatherm WVP1-035 (ISOVER Sillatherm WVP 1-035) 16,00 0,034 4,71 68
5 homogene Schichthomogene Schicht Unterspannbahn (Polyethylene (PE) sealing sheeting) 0,02 0,500 0,00 ¹ 1
6 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 4,00      
    56,5 cm (90%) Vertical air layer, heat flow up 36 < d <= 40 mm 4,00 ² ² ¹ 0
    6 cm (10%) Timber (475 kg/m³ - e.g. spruce/fir) - rough, technically dried 4,00 ² ² ¹ 0
7 homogene Schichthomogene Schicht Holz Außenwandverkleidung, plattenförmig ohne Fugen (Timber (525 kg/m³ - e.g. larch) - rough, technically dried) 1,90 ² ² ¹ 0
additional materials (thermally not relevant): (quantity per m² building element)
1,1 kgSteel sheet, galvanised¹ 3
    Rsi / Rse = 0,130 / 0,130  
    R' / R'' (max. relative error: 0,0%) = 6,732 / 6,732  
    building element 36,17   6,732 95

¹ layer is OI-relevant from BG1
² not relevant
³ U value (Heat transfer coefficient) calculated according to ÖNORM EN ISO 6946.
4 For the OI class, the U-value of the component is taken into account in addition to the ecological key figures