Your Roof Is 20 Years Old: Now What? A Decision Guide for St. Louis Homeowners
A 20-year-old asphalt shingle roof in St. Louis is not automatically done, but it is in the decision zone. Standard 3-tab shingles installed in the early 2000s were rated for 15 to 20 years. Architectural shingles from that era were rated for 25 to 30 years, but St. Louis weather (42 inches of annual rain,…









