roof shingle warranty vs lifespan

How Long Do Asphalt Shingles Really Last? Lifespan by Brand If you’re hoping a “30-year shingle” will sail to year 30, here’s the uncomfortable truth: lab ratings aren’t real-world lifespans. Manufacturers test under controlled conditions most roofs never see. In practice, weather, attic heat, sun exposure, installation quality, and maintenance dictate how long your roof […]