Insect spray won’t keep termites away

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Dear Barry, My husband and I disagree over how to treat the termites in our home. For the past 27 years, he has sprayed poison wherever we've seen frass particles. I've heard that termites must be professionally exterminated, but he says that termites are a permanent problem in our area and that they will always return after extermination. What is your advice? --Ninel Dear Ninel, Here are some vital termite facts to help settle your domestic debate: 1. Termite colonies continually increase in population. The older a termite colony is, the more mouths it has to feed. A 5-year-old colony may contain a few thousand termites. A colony that is 27 years old could have a census of millions. Consider how much wood that many termites could eat on a daily basis. 2. Termites live deep within the recesses of the wood members of a structure. They eat tunnels in the wood framing until all that is left of a stud, joist or rafter is the outer veneer. 3. When termite tunnels become clogg...