Whether your roof is brand-new or years old, here's what you need to do to keep it in the best possible shape for the longest possible time. A new roof is an expensive proposition — $18,800 on average for composition shingles, according to Remodeling magazine's Cost Vs. Value Report, and as much as $36,000 for high-end materials. Once you've made that kind of investment, you'll want to protect it. And even if your roof is years old, maintaining it in good shape will … Read More...