A roof is constantly battling the elements. If your roof isn't taken care of, molds, mildew and debris can cause structural damage and costly repairs. Because of this, it is important you have the correct 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 the razor-sharp blade can be retracted. Aside from 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 find a roofer in my area carlton, MN recommend the straight claw hammer. 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. 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.