During your inspections, it’s important to determine the roof slope. If the home has a low-slope roof, you must mention it in your report, and determine whether appropriate materials and precautions are in place. Proper material varies with roof slope The type of roofing material required will vary with the slope of the roof (Illustration R013). A flat roof requires a special covering such as rubber membrane, built-up (hot tar and gravel) or single-ply roll, while a standard slope between 4/12 and 12/12 can be covered with asphalt shingles. But “low-slope” roofs ...
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