If you have actually damaged asphalt shingles, you may be able to replace the entire roofing system with brand-new shingles. Other types of roofing materials, such as metal panels, may need a more thorough process. If you are just replacing asphalt shingles, you can easily do it yourself. Read on to learn more about roofing system replacement and how it works. This post is composed to help you choose if you need a new roofing system. If you're uncertain of whether you need a new roofing,…