Owens Corning’s new Deck Defense roof underlayment is composed of 100-percent engineered polyolefin designed to provide both a durable first line of defense against the elements (it protects roof systems for up to six months of exposure) and a secondary water-shedding barrier for long-term moisture protection. The strong, durable sheet resists tearing away from fasteners in high winds or when walked on, reducing the chance of leaks.
Editors’ Comments: We like the fact that this product can stand up to abuse during construction. It’s also incredibly easy to work with — its synthetic construction allows it to lay flat and stay flat, even when exposed to moisture.
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