back Open print view Show page as PDF

depiction:

DAl 06 a Lightweight terrace, rear ventilation

 Ceiling, roof: flat or pitched roof exposed to outside air – back-ventilated – heat flow ascending (BG1) – IBO benchmarks 2012
login and edit copy of this building element
0,103 W/m²K
A++
A+
A
B
C
D
E
F
G
OI-Class (BG1)5
B
mass 272,0 kg/m²
PENRT 1372 MJ/m²
GWP total -22,3 kg CO2/m²
AP 0,372 kg SO2/m²
no. type layer d
cm		 λ
W/mK		 R
m²K/W		 ΔOI3
pts/m²
1 homogene Schichthomogene Schicht Normal concrete without reinforcement (2200 kg/m³) 5,00 ¹ ¹ ² 7
2 homogene Schichthomogene Schicht Fillings made of sand, gravel, grit (1800 kg/m³) 3,00 ¹ ¹ ² 1
3 homogene Schichthomogene Schicht Polymer bitumen sealing sheeting 0,78 ¹ ¹ ² 19
4 homogene Schichthomogene Schicht Dampfdruckausgleichsschicht (Polyethylene (PE) vapour brake) 0,16 ¹ ¹ ² 5
5 homogene Schichthomogene Schicht Timber (475 kg/m³ - e.g. spruce/fir) - rough, technically dried 2,40 ¹ ¹ ² 0
6 inhomogene Schichtinhomogene Schicht inhomogeneous (parts normal to the eaves) 12,00      
    56,3 cm (90%) Vertical air layer, heat flow up 116 < d <= 120 mm 12,00 ¹ ¹ ² 0
    6,3 cm (10%) Timber (475 kg/m³ - e.g. spruce/fir) - rough, technically dried 12,00 ¹ ¹ ² 0
7 homogene Schichthomogene Schicht PUR (Schwingungsdämmmatte gemischtzelliges Polyetherurethan (PUR-DO or PUR-PT >= 120 mm (32 kg/m³)) 1,20 0,028 0,43 2
8 homogene Schichthomogene Schicht Dachauflegebahn PE, diffusionsoffen (Polyethylene (PE) vapour brake) 0,10 0,500 0,00 ² 3
9 homogene Schichthomogene Schicht OSB boards (650 kg/m³) 1,80 0,130 0,14 4
10 inhomogene Schichtinhomogene Schicht inhomogeneous (parts parallel to the eaves) 36,00      
    56,3 cm (90%) Rock wool MW(SW)-W (30 kg/m³) 36,00 0,042 8,57 28
    6,3 cm (10%) Laminated timber, glued internal use (475 kg/m³ - e.g. spruce/fir) 36,00 0,120 3,00 6
11 homogene Schichthomogene Schicht OSB boards (650 kg/m³) 1,80 0,130 0,14 4
12 homogene Schichthomogene Schicht Dampfbremse PE (Polyethylene (PE) vapour brake) 0,02 0,500 0,00 ² 1
13 homogene Schichthomogene Schicht Glass wool MW(GW)-W (18 kg/m³) 5,00 0,038 1,32 4
14 homogene Schichthomogene Schicht Gypsum plasterboard (900 kg/m³) 1,50 0,250 0,06 4
15 homogene Schichthomogene Schicht Gypsum plasterboard (900 kg/m³) 1,50 0,250 0,06 4
additional materials (thermally not relevant): (quantity per m² building element)
1,9 kgC-Profil Wand.- Bodenprofil (Steel sheet, galvanised)³ 5
    Rsi / Rse = 0,100 / 0,100  
    R' / R'' (max. relative error: 1,6%) = 9,885 / 9,573  
    building element 72,26   9,729 92
¹ not relevant
² layer is OI-relevant from BG1
³ layer is OI-relevant from BG3
4 U value (Heat transfer coefficient) calculated according to ÖNORM EN ISO 6946.
5 For the OI class, the U-value of the component is taken into account in addition to the ecological key figures