Roofs are subjected to tear and wear due to factors such as extreme weather conditions and poor maintenance. If your roof isn't taken care of, mold and mildew can build up. If your roof isn't taken care of, mold and mildew can build up. Because of this, it is important you have the right tools to take care of your roof. First you will need a utility knife. Utility knives can be used to cut drywall, trim asphalt roof shingles, and slice through fiberglass insulation. Utility knives are pretty safe to use since they have a retractable razor blade. Besides a utility knife make sure you buy a roofing hammer with a straight claw. 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. Roofing nail guns are very efficient tools for hammering nails in. Compressed air is used to push the nails from the loaded gun.ST George UT Residential roofing replacement estimates