#1483 • 21-Pieces 2.20" GAF EnergyGuard Part of GAF EnergyGuard Polyiso Insulation: Flat & Tapered (158071) (timed auction by Bid-2-Buy) Status: Sold 2.20" 21 Pieces LTTR 12.6 20 PSI 1478 BD FT 672 SQ FT Energy Guard ISO 2.2" x 4' x 8'