Boral Roofing Build something great™ SELF-ADHERED LAP - SBS MODIFIED - FIBERGLASS REINFORCED UNDERLAYMENT 6 UNDER MOST ROOFING MATERIALS 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. ®

SELF-ADHERED LAP - SBS MODIFIED - FIBERGLASS REINFORCED UNDERLAYMENT Durable Protection – All Season 6 Months Uncovered Exposure Adhesive lap seal technology helps protect against wind driven rain. Can be left uncovered and exposed to the elements for up to 180 days. Easy Installation Product Performance 6 inch acrylic adhesive strips adhere to the deck and laps. Installs as low as 40 degrees and withstands temperatures up to 240 degrees. 20 year limited warranty for 1 or more layers for use under tile, stone coated steel, shingle or shake. A STM-D6757, D4601 Type II, ASTM-D226 Type II (COMPLIANT),...