Products / Duro-Guard ISO HD

Duro-Guard ISO HD is a 1/2-inch high-density polyisocyanurate panel with coated-glass facers made for use as a cover board or recover board in Duro-Last mechanically fastened, adhered, Duro-Bond and metal retrofit roof systems. The data sheet prints an R-value of 2.5, a 4 pcf density, 80 to 110 psi compressive strength, recycled content above 8 percent and 4 by 8 and 4 by 4 foot panel sizes, and lists FM 4450 and 4470 approvals and Duro-Last UL listings. On steel decks it may be used only as a cover board over insulation or as a recover board.