Products / IB HD ISO

IB HD ISO is a 1/2-inch high-density closed-cell polyisocyanurate cover board with a coated glass facer on both sides, offered in 4 x 4 ft and 4 x 8 ft panels. The TDS lists ASTM C1289 Type II Class 4 Grade 1 (109 psi maximum compressive strength), FM 4450/4470 approval and a UL 790 (ASTM E108) roofing systems classification. IB states it can be used in mechanically attached, induction-welded, fully adhered and ballasted assemblies and is a covered component under the IB Total Systems Warranty.