Roofs are subjected to tear and wear due to factors such as violent weather conditions and poor maintenance. If you don't take care of your roof, molds, mildew and debris can cause structural damage and costly repairs. If you don't take care of your roof, molds, mildew and debris can cause structural damage and costly repairs. It is important you have the proper tools to take maintain 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 the razor-sharp blade can be retracted. Besides a utility knife make sure you purchase 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. It is essential your roofing toolbox contains a roofing nail gun. Compressed air is used to force the nails from the loaded gun.home roofing replacement estimates Lenexa KS