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 necessary 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 relatively safe to use since they have a retractable razor blade. Besides a utility knife make sure you purchase a roofing hammer with a straight claw. 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. Roofing nail guns are very efficient tools for hammering nails in. Compressed air is used to force the nails from the loaded gun strip unto the sheathing or shingles.solar roof installers