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 a termite ground treatment?
Monday, March 2, 2020
How long does a termite ground treatment last?
Most termite ground treatments remain effective for 10 years or more, depending on the chemical used, although a few are only good for about 5 years. Soil treatments can be applied in the entire area under a home before construction or as a perimeter or spot treatment later on.
Evenly spaced and capped drill holes in any concrete slabs that abut the walls of the home, like in the photo below, are one indication that a perimeter ground treatment has been done.
Termite protection is required by the Florida Building Codefor for all new homes, or any addition to a home, at the time of construction. Ground treatment is one type of approved termite protection, but bait stations or a borate treatment in the walls near ground level are also acceptable. To learn more, go to our blog posts What are the building code requirements for making a house termite resistant? and What are the green plastic discs in the ground around the house? and Is a borate treatment effective for termite prevention? and How long does Bora-Care® last?
The photo at the top of this page shows a notice that must be posted at the home, usually on the door of the electric panel, stating what treatment was done and when. In this case, the treatment was a brand of borate at the base of the walls, but typical soil treatment chemicals would have brand names such as Premise or Termidor.
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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To learn more about termites, see these other blog posts:
NOTE: These life expectancies are based on data provided by InterNACHI, NAHB, FannieMade, 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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