Products / Versico VersiCore HD Polyiso

Versico's high-density polyisocyanurate cover board with glass-reinforced felt facers on both sides, for use in mechanically attached and induction-welded single-ply roof systems only. The technical data bulletin lists 4 by 4 and 4 by 8 foot panels in one-half inch thickness, an R-value of 2.5, and 109 psi maximum compressive strength. It lists ASTM C1289 Type II Class 5 Grade 1, FM 4450/4470 Class 1 approval for steel decks, and use as a component of UL Class A roof systems.