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depiction:

Efu 11 a Slab foundation on foamed glass granulate

 Floor: in contact with ground – heat flow descending (BG1) – IBO benchmarks 2012
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0,176 W/m²K
A++
A+
A
B
C
D
E
F
G
OI-Class (BG1)4
E
mass 881,7 kg/m²
PENRT 1943 MJ/m²
GWP total 154 kg CO2/m²
AP 0,498 kg SO2/m²
no. type layer d
cm		 λ
W/mK		 R
m²K/W		 ΔOI3
pts/m²
1 homogene Schichthomogene Schicht Multi-layer parquet 1,20 0,160 0,08 ¹ 12
2 homogene Schichthomogene Schicht Adhesive - artificial resin 0,10 0,900 0,00 2
3 homogene Schichthomogene Schicht Cement and cement flowing screed (2000 kg/m³) 5,00 1,330 0,04 9
4 homogene Schichthomogene Schicht Polyethylene (PE) vapour brake 0,01 ² ² ¹ 0
5 homogene Schichthomogene Schicht Glass wool MW(GW)-T (80 kg/m³) 3,00 0,035 0,86 10
6 homogene Schichthomogene Schicht Cement-bonded EPS granulate (99 kg/m³) 4,00 0,047 0,85 6
7 homogene Schichthomogene Schicht Waterproof concrete with 80 kg/m³ reinforcing steel (1 vol. %) 30,00 2,300 0,13 73
8 homogene Schichthomogene Schicht Polyethylene (PE) sealing sheeting 0,01 ² ² ¹ 0
9 homogene Schichthomogene Schicht Glasschaumgranulat - erdfeucht (keine Staunässe) (Glass foam granule fill (150 kg/m³)) 50,00 0,140 3,57 44
10 homogene Schichthomogene Schicht PP fleece 0,02 ² ² ¹ 0
    Rsi / Rse = 0,170 / 0,000  
    R' / R'' (max. relative error: 0,0%) = 5,694 / 5,694  
    building element 93,34   5,694 157
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