VaporDry® SA Roof Underlayment

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VaporDry SA is one of the only fully self-adhered, vapor permeable underlayments. The continuous acrylic adhesive provides enhanced sealability, while reducing the potential of damage due to moisture build up. VaporDry SA helps to create a high-performance roof assembly when paired with Cedar Breather® Roof Ventilation Mat and Rapid Ridge® 7.

• Can be used with Cedar Breather Ventilated Underlayment for maximum drying potential in wood, metal, and cold roof applications
• Approved for use with all roofing types with a pitch 3:12 or greater
• Provides enhanced protection from the elements during ‘dry-in’ period
• Slip-resistant surface & printed overlap guides for an easier install
• Meets ASTM D1970 testing standard for roofing underlayment