With a crawl space, a trench is dug around the foundation, inside and out, and filled with insecticide. With both a slab and crawl space, after the final grade, another six-inch trench is dug around the entire foundation and saturated with insecticide. Homeowners should ask for referrals of a qualified pest-control contractor because the proper amount of insecticide is essential to create a barrier in the soil against termites. Also, once the procedure is complete, the soil around the house should not be disturbed so that the insecticidal barrier remains intact. If broken, a pathway is created for termites to enter your house.
Opinions differ regarding termite pre-treatment.
An annual pest control check will check for termites,'' he said. Naturally, all new houses will not be completely free of nature-related problems. But both builders agree that when homeowners educate themselves early about potential problem situations, they'll know the questions to ask in the beginning, before it's too late. Armed with a little bit of knowledge, the chances are good money will be saved in the long-run.