Debris on the roof, thermal shock, flat roof cracks, loose shingles and tiles can lead to roof failure. Tyler Johnson of Johnson Roofing says the key to a long lasting roof is maintenance. It can even keep the warranty in effect. Pros and cons on synthetic underlay versus regular felt and other signs to look for if the roof needs attention.

Original broadcast archive page with expanded content https://rosieonthehouse.com/podcast/on-the-house-why-roofs-fail-with-johnson-roofing/