1.1 ,This specification covers wax-modified asphaltic products intended for use in built-up roof construction, construction of bituminous vapor retarder systems, adhering fleece-backed single-ply roof membranes, and adhering insulation boards used in various types of roof systems. The specification is intended for general classification purposes only, and does not imply restrictions on roofing system design, such as the slope at which this asphalt may be used.