Answer
Jul 15, 2013 - 07:17 PM
I am assuming you are talking about subterranean termites. The single best product is Termidor SC. The exterior foundation needs to be trenched and treated, and the interior crawl space needs to be inspected and also treated if you find active termite shelter tubes.
The way you do this is by digging a trench along the exterior foundation wall. This trench should be adequately deep, the Termidor SC label calls for a 6 inch trench, but most pest companies don't dig that deep. 2"-3" inches deep is usually deep enough. Termidor SC is mixed at a rate of .8 oz per gallon of water. This mix is then applied at a rate of 4 gallons per 10 linear feet of trench. The average 200 linear foot (outer perimeter measurement) home requires about 80 gallons of mix for the outer perimeter only. Inside the crawl space, this same trench is dug next to the interior foundation wall (or siding) and also around piers, supports, etc, that contact the soil and support the flooring.
After the trench is dug, treated and the chemical has dried, the dirt is simply replaced into the trench and smoothed out.
There is a lot of information on our site about how to do this, I would recommend to read the following page on how to apply soil treatments for termites, and then also read the info on subterranean termites.
Termidor SC is the best chemical to apply, and when applied properly, will give you 10+ years of control.
Hope this helps.
Ron
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