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Cor-A-Vent SP-72 Sturdi Spacer 5/16"x2" x4' 72ct Coravent

Cor-A-Vent SP-72 Sturdi Spacer 5/16"x2" x4' (72ct ) is a heavy-duty, breathable spacer strip for retro-fitting new metal roofing over existing shingle roofs. Installing in continuous rows, 2 feet on-center up the roof, just like wood batten strips. The difference though is the airflow creates a breathable batten system between the two roofs, allowing trapped moisture to drain away and fresh air to pass through. Sturdi-Spacer is made from single-ply polypropylene plastic and comes in strips that are 2 inches wide by 4 feet long. They are power-nailable and power screwable, and will not compress like other commercial spacer products.

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