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The Asphalt Roofing Manufacturers Association has converted its “Modified Bitumen Design Guide for Building Owners” into an eBook, making it easier to view it on smartphones and tablets. The guide serves as a general instructional aid for installing modified bitumen roofing systems, and it provides options for overburdens, such as solar, garden and recreational installations, that push the roofing system and the membrane beyond their primary function of providing water resistance. Click here for more information.