Roofs are continuously left exposed to the elements. All roofs need constant maintenance that can be handled by the owner or a roofing repair 21666. Here are a few supplies homeowners can use to ensure their roofs are taken care of and maintained correctly. 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 allow you to finalize regular maintenance on your roof.