A roof is constantly exposed to the elements. 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 correct tools to take care of 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. Aside from 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 Roof replacement contractors Fenton 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 various 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.