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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.
Freeze the termites. If youâre in a rainy area and canât expose your furniture to sunlight, consider an alternative of freezing your furniture to kill the termites. Place your pieces (or parts of your pieces) of wooden furniture into a large freezer for 2-3 days. The best way to kill termites with boric acid is to use bait stations. 2  Coat or spray wood (or another cellulose material) evenly with boric acid. 3  Plant the boric acid bait in the garden near your house or in an open infestation.