Heat Flow Out (Winter)

Heat Flow In (Summer)

Foilboard Green - 10mm view RT2.4 RT2.1
Foilboard Green - 15mm view RT2.6 RT2.3
Foilboard Green - 20mm view RT2.7 RT2.4
Foilboard Green - 25mm view RT2.8 RT2.6
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.