Just like everything else in construction, skylights deteriorate over time. The lifespan of a skylight primarily depends on these important factors: Skylight quality, installation quality, and skylight maintenance. There are different quality skylights available on the market for residential homes. Low-end, plastic skylights typically last up to 15 years, but modern Velux skylights can last 20+ years. Skylight Quality There… Continue readingHow Long do Skylights Last?