Talk about one of the most overlooked parts of your home. The only time anyone thinks about their roof is when something happens to it or when start to have mold on it. You may find that yours leaks when it rains, or a storm may have blown off part of your roof. Or, you may be looking over your house and notice that you have curling shingles and others missing or loose. However, you get around to looking at your roof, its good to know what is...