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depiction:

DE27_

 Ceiling, roof: ceiling within heated residential and office unit not subject to a U-value requirement (BG1) – IBO benchmarks 2020
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mass 197,0 kg/m²
PENRT 799 MJ/m²
GWP total -27,0 kg CO2/m²
AP 0,241 kg SO2/m²
no. type layer d
cm		 λ
W/mK		 R
m²K/W		 ΔOI3
pts/m²
1 homogene Schichthomogene Schicht Zementestrich (Quarzolith Zementestrich E400) 6,00 1,520 0,04 13
2 homogene Schichthomogene Schicht Trittschalldämmung (Isover Akustik EP2) (ISOVER Akustic EP 2) 3,00 0,034 0,88 14
3 homogene Schichthomogene Schicht weber.floor 4520 Leichtausgleich rapid 6,00 0,075 0,80 6
4 homogene Schichthomogene Schicht Rieselschutz (Sisalex™ 30) 0,01 0,180 0,00 ¹ 0
5 homogene Schichthomogene Schicht Brettsperrholz BBS (5-lagig) (binderholz Brettsperrholz BBS (Fichte)) 12,00 0,120 1,00 19
6 homogene Schichthomogene Schicht Rigips Feuerschutzplatte 1,25 0,250 0,05 2
    building element 28,26   54
¹ layer is OI-relevant from BG1