A self-adhered, fiberglass reinforced, modified bitumen membrane manufactured to meet the toughest industry and code requirements. Torch Base SA is 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. Torch Base SA is finished with a polyolefin film with printed lay lines on the top surface.