Heat Flow Out (Winter)

Heat Flow In (Summer)

Foilboard GREEN 10 view RT3.4 RT1.8
Foilboard GREEN 15 view RT3.6 RT2.0
Foilboard GREEN 20 view RT3.7 RT2.1
RT - R-values displayed are "total system R-values", as required by the Energy Provisions of the Building Code of Australia.

Calculation is based on the use of the Foilboard® Insulation Panel only. Under no circumstances can this calculation be used in conjunction with any alternative product, as results will vary.