What is the average life expectancy of wood floor trusses?
Monday, December 16, 2019
Wood floor trusses can be expected to last as long as the home itself (100+ years), if maintained in a stable, reasonabley dry environment. Moisture from excessive humidity, condensation, or plumbing leaks, along with termites are the problems that can shorten a floor truss life. Trusses for upper floors can be expected to fare better than ground floor trusses over a crawl space open to the ground.
Here’s an example below of floor trusses exposed over wet ground, which will shorten their lifespan.
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?
Also, see our blog post What is the minimum height above ground for wood floor joists, trusses, and girders/beams?
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Here’s links to a collection of our other blog posts about STRUCTURE AND ROOMS:
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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