Roof Insulation Panels | GAF

GAF Cornell ThermaCal Nail Base Roof Insulation Panels are designed for use on structural wood or steel sloped roof decks. Panels consist of: sheathing that serves as a nail base for use with shingles, metal, slate, or tile; built-in ventilation space (a non-ventilated panel is also available); and polyiso insulation. It’s ideal for cathedral ceilings, post and beam, and conditioned attics.