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The liquid version is also available in a non-repellant form. They work differently because termites arenât able to sense this substance. Both of these treatments can last up to 8 years. The latter kind of treatment does not involve pumping chemicals into the soil or drilling them in the affected structure. Instead, this treatment works as a trapping device that can be positioned in the termite hotspot areas in your house.
How a Termite Treatment is Done. Termite treatments are only as good as the quality of the work done by the pest control operator. Termite treatments were done from 1948 through 1988 with Chlordane - a chemical so effective against termites that if you had a treatment done in 1988, it will still be good until 2038 and probably longer.