Products / Elevate ISOGARD HD Composite

A composite roof insulation board of a 1/2 inch ISOGARD HD cover board laminated in-line to Elevate polyisocyanurate insulation. It is offered from 1.5 to 4.5 inches total thickness in 4 by 8 and 4 by 4 foot boards, with coated glass facers for mold resistance, and the page states it is FM approved.