In my opinion, you only need protection for the subterranean and Formosan termites, which is what the builder treats every new house for. The other types are flying termites which could affect your attic wood, but they would be more easily detected before major damage occurred. I recently renewed my contract with Massey for 10 years, and it required retreatment. They pumped chemicals around the perimeter of the house to create a soil poison barrier. The cost was $400 plus a $79 per year renewal and inspection fee. I considered Dean's, but they only offered a year-to-year contract, which I considered unacceptable. Good luck.
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