While replacing a roof can be a big, important decision, and it also helps protect your biggest investment. It also gives you the chance to start fresh with a new exterior look. OWENS CORNING DURATION shingle can give you the color and shape of shingle you have always wanted. Additionally it is a great way to express your individual personality and add real value. Plus, if you have a leak, ignoring it can only get worse. Furthermore, it could result in interior damage and even mold or roof deck rot.