Designed to keep attics cooler and reduce the amount of heat that enters a home through the roof. Plytanium Sheathing is composed of plywood backed by a highly reflective aluminum foil. It should be installed foil side down, the radiant barrier sheathing can lower attic temperatures up to 30 F thereby transferring less heat to the living space through the ceiling so indoor temperatures stay cool and comfortable. This diminishes the strain on the cooling system and increases energy efficiency. It is also excellent for nail holding and can stabilize shingles firmly with minimal edge swell or "picture framing" by preventing moisture intrusion.
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