Posted by John Fasoldt on 5:11:26 9/14/2007 from 220.127.116.11:
In reply to: need fumigation info posted by page on 1:08:11 9/14/2007 from 18.104.22.168:
You're in California? I'm not sure about the laws in California, but fumigators are required to completely air out the structure before turning it back to you. The fumigant, Vikane, kills EVERYTHING. Any living thing, plant or animal. And termites, of course. It must penetrate everything to be effective, so that means it must be present for an appropriate period of time. Fumigators have a formula, based on the size of your house, its contents and the building materials, so that it actually does the job it's intended to do. As you have seen, the structure is tarped completely to contain the gas for a definite time period that will make the treatment effective.
The tarps are designed to contain the gas to the structure and properly installed, are not a danger to the other surrounding structures. They have instruments that tell them when it is all safely gone, so that you can re-enter with no further worries.
For this reason, once the gas dissipates, the effectiveness is gone. Technically, at that point, termites can re-enter the structure, so that fumigation treatments can only kill what's there, there is absolutely no residual, nothing is supposed to be left. So once the company declares it is safe for you to go back, there is no reason for you to worry about what is left.
However, for all absolute details, you should question the exterminator about EXACT details, they will have the specifications of how much was used and how long you should stay out. They are used to these questions, so I would urge you to call them and ask them any detailed questions about your treatment.
Fumigations are carried out every day, all across your area, with minimal problems. If you have those questions, call them up. They will be glad to help you with the answers.
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