Roofing Inspection. Since the roof is such a large and expensive component of home ownership, it is crucial to keep up with roofing maintenance in order to get the most service life from the roof as possible. The homeowner can walk around the home or get on the roof in order to look for defects associated with the roof, which could include damaged/sagging and/or clogged gutters, asphalt shingle granules in the gutters, damaged or deteriorating flashing, broken or missing shingles, and the presence of organics such as mold, moss, and mildew. Any of these items could be a clue to a deteriorating roof or one in need of repair.