Roofs are subjected to damage due to constant weather exposure. If your roof isn't taken care of, molds, mildew and debris can build up. If your roof isn't taken care of, molds, mildew and debris can build up. It is important you have the necessary tools to take maintain your roof. Make sure you have a utility knife. They can be used to cut drywall, trim asphalt roof shingles, and slice through fiberglass insulation. They are pretty safe to use since they have a retractable razor blade. In addition to the utility knife, you'll also need a roofing hammer that will refasten shingles and other roof coverings. A roofing hammer has two different head styles: one has a curved claw and the other has a straight claw. Most contractor insurance policy Newnan GA recommend the straight claw hammer. To cut wood, shingles or roofing panels, a circular saw would be a worthwhile investment. A circular saw is an electrically-powered tool can cut roof panels and plywood sheathing into an array of different sizes. Roofing nail guns are very efficient tools for hammering nails in. Compressed air is used to push the nails from the loaded gun.