Materials:ISOGard HD Cover Board

Notice to the Reader: The roofing assembly / material information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.

Manufacturer: Firestone Building Products Accepted for RoofStar Guarantee Program Date TBA Product Summary Firestone ISOGARD™ HD Cover Board is a half-inch (12.7 mm) thick polyiso insulation designed for use as a cover board. It is a high density, closed-cell, polyisocyanurate foam core that has been manufactured with a coated glass facer. Firestone ISOGARD™ HD provides the highest thermal performance when compared to other half-inch roof cover boards. All Firestone polyisocyanurate insulations use EPA accepted blowing agents. Firestone ISOGARD™ HD with IsoGard™ Foam Technology incorporates a HCFC-free blowing agent that does not contribute to the depletion of the ozone (ODP-free). Firestone ISOGARD™ HD can be applied over existing roof surfaces and under adhered or mechanically attached Single Ply, Cold and Modified Bitumen systems applied in Multi-Purpose MB Cold Adhesive and SA Base with a torch applied cap. *Note:* ISOGARD HD may only be used with Firestone Roofing Systems.

Click below for the Technical Data Sheet (TBA).