Heat Flow Out (Winter)

Heat Flow In (Summer)

Foilboard GREEN 20 view RT2.2 RT3.1
Foilboard GREEN 25 view RT2.4 RT3.3
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.