Roofs are subjected to damage due to factors such as extreme weather conditions and poor maintenance. If you don't take care of your roof, mold and mildew can build up. If you don't take care of your roof, mold and mildew can build up. It is important you have the necessary 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 quite safe to use since . 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 commercial roofing contractors Superior, WI recommend the straight claw hammer. To cut wood, shingles or roofing panels, a circular saw would be the best tool. This 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 strip unto the sheathing or shingles.