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 life expectancy of a wood exterior door?
Sunday, June 21, 2020
How long does a wood exterior door last?
You can expect a wood exterior door to last 30 to 70+ years, with an average of 50 years. The are three factors that affect door longevity:
1) Weather exposure - A door under only a small roof overhang above it that is exposed to direct sun and driving rain will have a shorter life than one recessed on a deep entry porch, like the door shown above.
2) Type of wood - Hardwoods last longer. So pine will be at the lower end of the age range and mahogany at the upper end.
3) Paint or other sealer coating - Maintaining a protective coating on the door will extend its life.
Also, drywood termites can infest and destroy a wood door in areas like Florida where they are prevalent. Here’s a bar graph that compares the life expectancy of a wood exterior door to other types of residential doors.
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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