Boral® Acrilay® is a partially self-adhered, SBS modified, fiberglass reinforced underlayment/base sheet with proprietary acrylic lap seal technology for tile, stone-coated steel, shingle or shake. SBS modified asphalt helps to minimize the wrinkling and buckling associated with non-modified membranes.

• Durable Protection - All Season
• Quick and Easy Installation
• 6 Inch Acrylic Adhesive Strips Adhere to the Deck and Laps
• 180 Days Uncovered Exposure
• 20 Year Limited Manufacturer's Warranty for 1 or More Layers