Roofs are subjected to damage due to constant weather exposure. If your roof isn't taken care of, molds, mildew and debris can cause structural damage and costly repairs. If your roof isn't taken care of, molds, mildew and debris can cause structural damage and costly repairs. It is important you have the proper tools to take care of your roof. First you will need 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 will 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 residential roofing repair company Clearfield, UT recommend the straight claw hammer. Invest in a circular saw to cut singles or panels. A circular saw is an electrically-powered tool can cut roof panels and plywood sheathing into various different sizes. To hammer nails in, abandon the manual hammer and opt for a nail gun. Compressed air is used to push the nails from the loaded gun.