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Howard from Jasper, Alabama writes

My brick home is on a foundation with a crawl space, is 6 in trench deep enough?

The footing is 2 ft or more below surface. Also a few years ago a pro treated my home. He drilled holes through brick joints to the foundation blocks and sprayed the holes. Should I do the same. We have no termite signs but living in Alabama I just want to be safe. Also I have a vapor barrier and dehumidifier in the crawl space. Should I treat the crawl space?

Answer:

No matter whether your home sits on a slab, crawl space, or basement the 6x6 trench is all that is required around the outside of the home along with any drilling you may have to do through concrete barriers like patios and driveways. If the holes in the joints are still there you can certainly inject the product into the same holes they treating in previously as well. Inside the crawl space you would need to trench around any piers that hold up the home but the outside trench would be all that is required for the actual foundation if you are using Termidor. If you use Dominion you would have to trench the inside and the outside of the crawlspace foundation as well as the piers. The Termidor will last for 10 years to protect your home and the Dominion will last for 7 years. Please let us know if you have any other questions and you can review our article on How To Do A Termite Treatment for more tips on doing it yourself.

Answer last updated on: 06/11/2013

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