Henry 3 ft. W X 33.3 ft. L Fiberglass Self-Adhesive Shingle Underlayment 15 lb Blue Size:3 PressureWave tanks are ideally suited

PressureWave tanks are ideally suited for a wide range of applications

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Number of Servings per Package: 269

Sub Brand: Altitude

Henry 3 ft. W X 33.3 ft. L Fiberglass Self-Adhesive Shingle Underlayment 15 lb Blue Size:3 PressureWave tanks are ideally suitedWaterproofing underlayment. Composed of a high tack rubberized asphalt, coated on a non woven glass fiber mat. Lower surface has a split release silicone release backing for ease of application. Specifically designed to provide secondary waterproofing protection to shingles as well as prevent ice damage and wind driven rain. Meets ASTM D1970 08 standard and is ICC listed. Self sealing when penetrated by mechanical fasteners or roofing nails. Fully