Patent ID: 6887515

Claim:
A method for making a rolled roofing membrane comprising the steps of: providing a rolled roofing membrane web having a top surface and a bottom surface; entirely coating said top surface and said bottom surface of said web with an asphalt composition, wherein said asphalt composition saturates said web; scraping said asphalt composition entirely from said bottom surface of said web; scraping said asphalt composition from a portion of said top surface of said web to form a cleaned surface area from which asphalt has been substantially cleaned and an asphalt coated surface area, wherein the cleaned surface area and the asphalt coated surface area partition the top surface of said rolled roofing membrane web into longitudinally extending strips of one of equal and nearly equal widths; entirely coating said bottom surface of said web with an adhesive material; scraping said adhesive composition from a portion of said bottom surface of said web opposite said cleaned surface area from which asphalt has been cleaned of said top surface of said web to form an area from which adhesive has been substantially removed and an area coated with adhesive composition, wherein the area from which adhesive has been substantially removed and the area coated with adhesive composition partition the bottom surface of said web into longitudinal strips of one of equal and nearly equal widths; applying a release backing over said area of said bottom surface of said web coated with adhesive composition; and depositing a roofing surface material on said asphalt coated area.