Roofs are subjected to tear and wear due to 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 proper tools to take maintain your roof. Make sure you have 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 they have a retractable razor blade. Aside from the utility knife, you will 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 residential roof replacement Esko, MN recommend the straight claw hammer. To cut wood, shingles or roofing panels, a circular saw would be a worthwhile investment. 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 strip unto the sheathing or shingles.