Roofs are subjected to tear and wear due to constant weather exposure. If your roof isn't taken care of, mold and mildew can result in structural damage and costly repairs. If your roof isn't taken care of, mold and mildew can result in structural damage and costly repairs. It is important you have the proper 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 . 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 materials St George, UT recommend the straight claw hammer. Invest in a circular saw to cut singles or panels. 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 force the nails from the loaded gun strip unto the sheathing or shingles.