#3765 • (17) 4'x8'x2.8" EnergyGuard Iso Insulation Sheets Part of New Roofing Shingles & Insulation: Two-Tone Black Shingles, 4' x 4' & 4' x 8' Insulation (165399) (timed auction by Bid-2-Buy) Status: Sold 2.80" 20 PSI (17) Pieces = 544 Sq. Ft.