Select a reputable pest exterminator and ask if special sealing bags to protect foodstuffs are provided. Schedule gas to be turned off by the utility company and make a reconnection appointment to restore service after fumigation. Provide keys to the house and all locked spaces. Advise your neighbors of your fumigation plans and arrange accommodations for your family and pets.
Remove weathervanes, TV antennae and satellite dishes. Create a walkway around the house for the fumigators by clearing or trimming shrubs, trees and plants at least 12 inches back from the structure. Clear back decorative rock and bark and soak the soil around the perimeter of the house and plants. This helps prevent the fumigant from entering the soil and being absorbed by the plants. A gate in your fence will make removal of a plank or two unnecessary when tenting is placed.
Every living thing must be out of the home, including people, pets, fish and fish tanks and plants. Remove all food and medication from refrigerators, freezers and cupboards, including sealed boxes of cereal, flour, sugar, noodles, spices and tobacco. No food products should be left except those in cans, jars or plastic bottles with the original seal intact. Remove all waterproof mattresses and pillow covers and open all cabinet, closet and attic doors. Unlock all cabinets, drawers and safes; raise blinds and open drapes to ease window access.
The entire structure is covered with a tent to create a totally sealed environment. Seams are sealed with industrial clips and the tenting material is weighted down with sections of metal or bags of sand or water. Trees and shrubs that are close to the house and could not be moved are covered with heavy plastic and the edges sealed together. The amount of fumigant gas is affected by the total square footage of the structure, the severity of the infestation, the temperature at the site and the determined fumigation time. Fans running inside circulate the gas, allowing it to seep into walls, killing hidden colonies. After fumigation, the house is aired out and air quality is tested for safety.
Disadvantages include the expense, with additional costs for meals and accommodations for pets and family. There may be service charges plus additional power and water usage. Homeowners with wells, solar power and generators should check wit the fumigator to determine whether they can meet additional requirements for water or electricity during tenting. The process is time-consuming and inconvenient, and the environmental effects are unknown.
The advantages are that it eliminates all termite infestations and can salvage a severely infested house where no other process is feasible.