A premium self-adhered, fiberglass reinforced, modified bitumen membrane (with fire retardant additives)* manufactured to meet the toughest code requirements of the industry. SA Base Sheet & SA Base Sheet FR are manufactured using Adeso® dual-compound technology, where the membrane consists of Styrene Butadiene Styrene (SBS) modified asphalt compound on top and a pressure sensitive adhesive compound on the bottom. The adhesive is covered with a split release liner. SA Base Sheet & Base Sheet FR are finished with a polyolefin film with printed lay lines on the top surface.
*Only SA Base Sheet FR