System Description: Flat Metal Roof, layer of reflective sarking (E0.03 facing down), Foilboard Between C Purlins, 250mmx76mmx1.9mm BMT C Purlins at 1200mm spacing, Foilboard antiglare up, 10mm Suspended Plasterboard Ceiling Tiles. Assumed airspaces are fully sealed and have been designed specifically to prevent air ingress. Calculation based on slight dust cover. Calculation per AS/NZS 4859 Parts 1 & 2:2018.  Added Insulation R Value includes the material insulation R Value and the R Values of the associated reflective airspaces within the insulation system pathway.

If elements of construction vary from that described, this may produce a different thermal resistance result.

DISCLAIMER All statements and technical information contained herein are based on tests we believe to be reliable, but the accuracy thereof is not guaranteed. Users assume all risk and liability resulting from the use of the product and must confirm the suitability thereof by their own calculations. Conditions of Sale contain a limited warranty against manufacturing defects. Where applicable, Foilboard GREEN should be installed per the National Construction Code (NCC), state building legislation and/or a performance solution.