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depiction:


AWl 06 a Double T-beam outside wall, rear ventilation

Wall: exposed to outside air – back-ventilated (BG1) – IBO benchmarks 2012
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0,108 W/m²K
A++
A+
A
B
C
D
E
F
G
OI-Class (BG1)4
A+
mass 83,0 kg/m²
PENRT 752 MJ/m²
GWP total -48,2 kg CO2/m²
AP 0,194 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 Gypsum plasterboard (900 kg/m³) 1,50 0,250 0,06 4
2 homogene Schichthomogene Schicht Gypsum plasterboard (900 kg/m³) 1,50 0,250 0,06 4
3 inhomogene Schichtinhomogene Schicht inhomogeneous (parts horizontal) 5,00      
    56,3 cm (90%) Glass wool MW(GW)-W (18 kg/m³) 5,00 0,038 1,32 3
    6,3 cm (10%) Timber (475 kg/m³ - e.g. spruce/fir) - rough, technically dried 5,00 0,120 0,42 0
4 homogene Schichthomogene Schicht Dampfbremse PE (Polyethylene (PE) vapour brake) 0,02 0,500 0,00 ¹ 1
5 homogene Schichthomogene Schicht Internal chipboard (650 kg/m³) 2,20 0,130 0,17 4
6 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 4,00      
    57,5 cm (92%) Glass wool MW(GW)-W (18 kg/m³) 4,00 0,038 1,05 3
    5 cm (8%) OSB boards (650 kg/m³) 4,00 0,130 0,31 1
7 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 22,00      
    61,7 cm (99%) Glass wool MW(GW)-W (18 kg/m³) 22,00 0,038 5,79 16
    0,9 cm (1%) Plywood and veneer timber for interior use (625 kg/m³) 22,00 0,150 1,47 1
8 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 4,00      
    57,5 cm (92%) Glass wool MW(GW)-W (18 kg/m³) 4,00 0,038 1,05 3
    5 cm (8%) OSB boards (650 kg/m³) 4,00 0,130 0,31 1
9 homogene Schichthomogene Schicht Internal chipboard (650 kg/m³) 1,60 0,130 0,12 3
10 inhomogene Schichtinhomogene Schicht inhomogeneous (parts vertical) 5,00      
    53,1 cm (85%) Vertical air layer, horizontal heat flow 45 < d <= 50 mm 5,00 ² ² ¹ 0
    9,4 cm (15%) Timber (475 kg/m³ - e.g. spruce/fir) - rough, technically dried 5,00 ² ² ¹ 0
11 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: 2,1%) = 9,482 / 9,085  
    building element 49,32   9,284 43

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