A roof is constantly exposed to the elements. If you don't take care of your roof, mold and mildew can cause structural damage and costly repairs. Because of this, 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 quite safe to use since the razor-sharp blade can be retracted. Besides a utility knife make sure you invest in a roofing hammer with a straight claw. 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 force the nails from the loaded gun strip unto the sheathing or shingles. Roof installation columbia md