Select the insulation with the foil below the bulk. Adjust the R-value to the product installed.
60mm = R1.3
70mm = R1.4
80mm = R1.8
90mm = R2.0
100mm = R2.3
100mm HP =R2.5
110mm = R2.5
130mm = R3.0
140mm = R3.3
145mm = R3.6
When modelling Anticon, only model the bulk element because the software accounts for the reflective element of the roof void (e.g. 60mm approx. tR2.1).
Please review ICANZ insulation standards for a detailed breakdown on the separate R-Value layers dependant of the individual NCC climate zone.
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