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depiction:


KDo 02 a Basement ceiling slab, insulated upper side, spacer floor

Floor: exposed to unheated parts of buildings – heat flow descending (BG1) – IBO benchmarks 2012
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0,140 W/m²K
A++
A+
A
B
C
D
E
F
G
OI-Class (BG1)4
A
mass 498,7 kg/m²
PENRT 1126 MJ/m²
GWP total 47,1 kg CO2/m²
AP 0,301 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 ¹ 2
3 homogene Schichthomogene Schicht Polyethylene foam (70 kg/m³) 0,50 0,050 0,10 2
4 homogene Schichthomogene Schicht Dampfbremse PE (Polyethylene (PE) sealing sheeting) 0,02 0,500 0,00 ¹ 1
5 homogene Schichthomogene Schicht Internal chipboard (650 kg/m³) 3,20 0,130 0,25 6
6 homogene Schichthomogene Schicht Glass wool MW(GW)-W (18 kg/m³) 24,00 0,038 6,32 17
7 homogene Schichthomogene Schicht Normal concrete with reinforcement 1 % (2300 kg/m³) 20,00 2,300 0,09 46
additional materials (thermally not relevant): (quantity per m² building element)
3,0 kgDistanzbodenhalter (Steel sheet, galvanised)² 8
    Rsi / Rse = 0,170 / 0,170  
    R' / R'' (max. relative error: 0,0%) = 7,165 / 7,165  
    building element 49,02   7,165 86

¹ layer is OI-relevant from BG1
² layer is OI-relevant from BG3
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