Elastoflex SA P is a high performance reinforced polyester mat provides excellent dimensional stability. A high quality elastomeric Styrene Butadiene-Styrene (SBS) modified asphalt compound is applied on the top layer and an aggressive self-adhesive compound is applied on the bottom layer. The premium, granule surfaced, fire rated, self-adhered, polyester reinforced SBS modified bitumen roofing product manufactured using patented Adeso dual-compound self-adhesive technology. The tope surface of the Elastoflex SA P membrane has a granular finish available in a variety of colors. The cap sheet features patented FastLap for granule free roll ends, as well as SealLap, a factory applied adhesive treatment at the membrane overlap. Each of these patented features provide for greater ease of application as well as improved long term weathering performance.