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depiction:


AWh 01 a Stacked wood outside wall, rear ventilation

Wall: exposed to outside air – back-ventilated (BG1) – IBO benchmarks 2012
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0,113 W/m²K
A++
A+
A
B
C
D
E
F
G
OI-Class (BG1)4
A+
mass 93,1 kg/m²
PENRT 657 MJ/m²
GWP total -110 kg CO2/m²
AP 0,224 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 Brettstapelwand, vernagelt (Timber (475 kg/m³ - e.g. spruce/fir) - planed, technically dried) 12,00 0,120 1,00 3
2 homogene Schichthomogene Schicht Dampfbremse PE (Polyethylene (PE) sealing sheeting) 0,02 0,500 0,00 ¹ 1
3 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 4,00      
    58,5 cm (94%) Glass wool MW(GW)-W (18 kg/m³) 4,00 0,038 1,05 3
    4 cm (6%) Timber (475 kg/m³ - e.g. spruce/fir) - rough, technically dried 4,00 0,120 0,33 0
4 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 22,00      
    61,1 cm (98%) Glass wool MW(GW)-W (18 kg/m³) 22,00 0,038 5,79 15
    1,4 cm (2%) OSB boards (650 kg/m³) 22,00 0,130 1,69 1
5 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 4,00      
    58,5 cm (94%) Glass wool MW(GW)-W (18 kg/m³) 4,00 0,038 1,05 3
    4 cm (6%) Timber (475 kg/m³ - e.g. spruce/fir) - rough, technically dried 4,00 0,120 0,33 0
6 homogene Schichthomogene Schicht Plywood and veneer timber for interior use (600 kg/m³) 1,60 0,120 0,13 7
7 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 5,00      
    72 cm (90%) Vertical air layer, horizontal heat flow 45 < d <= 50 mm 5,00 ² ² ¹ 0
    8 cm (10%) Timber (475 kg/m³ - e.g. spruce/fir) - rough, technically dried 5,00 ² ² ¹ 0
8 homogene Schichthomogene Schicht Timber (525 kg/m³ - e.g. larch) - planed, technically dried 2,50 ² ² ¹ 1
    Rsi / Rse = 0,130 / 0,130  
    R' / R'' (max. relative error: 1,1%) = 8,932 / 8,742  
    building element 51,12   8,837 33

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