#2256 • (32) 4'x4' EnergyGuard Taper ISO Panel Q Insulation Sheets Part of GAF EnergyGuard Polyiso Insulation: 4'x4' and 4'x8' (163709) (timed auction by Bid-2-Buy) Status: Sold .5" - 2.5" 20 PSI (32) Pieces = 512 Sq. Ft.