For metal roofing. Perfect for structures with cathedral ceilings, glue lam, post & beam construction and conditioned attic spaces, they help insulate against heat drive into the living space/conditioned space under the roof while serving as a nailable base. These panels can be installed on top of structural wood or steel-sloped roof decks (Contact GAF for other acceptable decks).
Roofs and Roof Accessories: Shingles: Systems
Materials