#2088 • (13) 4'x8'x3.5" EnergyGuard Polyiso Insulation Sheets Part of GAF EnergyGuard Polyiso Insulation (160241) (timed auction by Bid-2-Buy) Status: Sold (13) Pieces 1456 BD Ft 416 SQ Ft 20PSI 3.50" 4x8