How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
What is the average life expectancy of paint on a house?
Friday, December 6, 2019
How long does paint on a house last?
Exterior paint can be expected to last 7 to 10 years, and interior paint 10 to 15+ years. But it is possible for a paint finish to fall short of even the low end of these ranges due to any of the following factors:
• Inadequate surface prep and cleaning
• Severe temperature and moisture fluctuations
• Moisture buildup behind the walls
• Painting new construction without a primer coat
• Low quality paint
Inadequate surface prep is most often the culprit when a paint surface fails before its normal life expectancy. Also, see our blog posts What causes paint to peel prematurely on the exterior of a house? and How can I tell when it's time to paint the house?
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 our blog post How accurate are the average life expectancy ratings of home components? Are they actually useful?
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Field Guide for Home Inspectors, a quick reference for finding the age of 154 brands of HVAC systems, water heaters, and electrical panels, plus 210 code standards for site-built and manufactured homes, and the life expectancy rating of 195 home components. Available at amazon.com for $19.95.
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To learn more about exterior walls and structures, 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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