Roofs are constantly left exposed to the weather. All roofs need consistent maintenance that can be taken care of by the owner or a professional roofer. Here are a few supplies homeowners can use to ensure their roofs are cared for properly. A utility knife can be used to trim shingles. They can also be used to expose nail heads. Invest in a circular saw, a roofing hammer, roofing nails, a roofing nail gun, and a pry bar. These items will help you complete routine repair projects on your roof.commercial roofing company Columbia MD