Roofs are subjected to damage because of constant weather exposure. 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. Because of this, it is important you have the necessary tools to take care of your roof. First you will need a utility knife. They can be used to cut drywall, trim asphalt roof shingles, and slice through fiberglass insulation. They are relatively 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. This electrically-powered tool can cut roof panels and plywood sheathing into an array of different sizes. To hammer nails in, abandon the manual hammer and opt for a nail gun. Compressed air is used to push the nails from the loaded gun.home roofing replacement estimates ST George UT