I agree with foxrun, if there was a warranty, it should have been spelled out; a person can hire an exterminator for only one treatment with no warranty. So much has to do with things simply beyond one's control or people doing things without realizing that they are setting themselves up for future problems. Termites can attack a home on several different occassions, which is why exterminators try to get clients to sign yearly contracts.
When you had the termines treated the exterminator should have given you a paper with the warranty that would have spelled out the number of treatments and length of warranty.
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