This manual was prepared by the Asphalt Roofing Manufacturers Association (ARMA) to serve as a general guide for the design and application of residential asphalt roofing systems. This publication highlights several key topics for residential roofing systems, such as how to select the right asphalt roofing product for the job at hand, proper ventilation and moisture control, estimating how much roofing is required, deck preparation, shingle application, project safety, and much more.