#3814 • (32) 4'x4' EnergyGuard Taper Q Iso Panels Part of Building Materials: Insulation Sheets, Shingles, 4x8 OSB (165770) (timed auction by Bid-2-Buy) Status: Sold .5" - 2.5" 25 PSI (32) Pieces = 512 Sq. Ft.