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Insulation

GAF Cornell ThermaCal Nail Base Roof Insulation Panels

February 19, 2015

This article first appeared in the PB February 2015 issue of Pro Builder.

Designed for use on structural wood or steel sloped roof decks, GAF Cornell ThermaCal Nail Base Roof Insulation 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. Ideal for cathedral ceilings, post and beam, and conditioned attics.

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