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, mold and mildew can cause structural damage and costly repairs. If you don't take care of your roof, mold and mildew can cause 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 relatively safe to use since they have a retractable razor blade. 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 roofing installation companies Severn, MD 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 various different sizes. It is essential your roofing toolbox contains a roofing nail gun. Compressed air is used to push the nails from the loaded gun strip unto the sheathing or shingles.