How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes
What is the average life expectancy of a fiberglass exterior door?
Monday, June 22, 2020
How long does a fiberglass exterior door last?
You can expect a fiberglass exterior door to last 50 to 100+ years, with an average of 70 years. Fiberglass does not rust or rot and is more dimensionally stable than other door materials. However, the gaskets and/or weather stripping may need to be replaced every five to ten years.
Here’s a bar graph comparing the life expectancy of a fiberglass exterior door to other door types.
Go to our blog post What is the average lifespan of the parts of a house? for rating of other house components. To understand the basis, potential use, and limitations of lifespan ratings, see How accurate are the average life expectancy ratings of home components? Are they actually useful?
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To learn more about doors and windows, see these other blog posts:
NOTE: These life expectancies are based on data provided by InterNACHI, NAHB, FannieMae, and our own professional experience. Because of the numerous variables that can affect a lifespan, they should be used as rough guidelines only, and not relied upon as a warranty or guarantee of future performance.
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