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Victor from Chandler, Az writes,

What is the difference between Termidor Foam & Premise Foam? Which one is more effective to kill termites?

What is the difference between Termidor Foam & Premise Foam? Which one is more effective to kill termites behind the wall? I have termites all over my house behind the wall, and want the effective foam to kill the little them.


Termidor Foam and Premise Foam have two different active ingredients. Because of its active ingredient, imidacloprid, Premise Foam works differently from other termiticides which repel, rather than kill, termites. Termites tunneling or foraging in the spaces treated with Premise Foam will go about their usual activities without being repelled. The exposed termites then remain unaffected for a few days, before sudden death occurs. In the meantime, the exposed termites are able to spread the Premise chemical to unexposed termites by physical contact when they feed or groom the other termites, resulting in a domino death effect which wipes out more of the colony. Termites who contact Termidor Foam transfer it to every other termite they in turn contact, in a unique process called the "Transfer Effect." And because Termidor is engineered to be slow-acting, termites have ample time to spread it throughout their entire termite population.

They are both effective products that will work to combat termites if you are treating the area directly.

Answer last updated on: 11/14/2014

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