Answer
Nov 29, 2013 - 02:09 PM
It depends on the species of termites. Subterranean termites are usually treated by using both methods, trenching and treating the foundation, and also treating wall voids indoors where they are active.
Drywood termites, are not treated the same way, you don't treat the soil around the house at all. You would only treat the walls where they are active.
Do you know which species you are dealing with?
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