Do I have to wash everything after fumigation? You do not have to wash everything after fumigation, but you do need to wash or wipe items that contact food or mouth. Professional whole-house fumigation with sulfuryl fluoride does not leave oily residue on most surfaces because the gas dissipates during aeration, but best practice is to wash dishes, cookware, utensils, and food prep surfaces with soap and water before use. Bedding, pillowcases, and towels that were left exposed should be laundered in hot water as precaution, especially for babies, pregnant people, and pets. Clothing in closets and drawers does not need washing if it was protected, but many people wash it for peace of mind. You do not need to wash every piece of clothing, curtains, or all furniture. Focus on kitchen, dining, and items children put in mouth. If the company used a second chemical like chloropicrin as warning agent, or if you smell chemical, ventilate longer and clean more thoroughly. Always follow the fumigation company's specific re-entry cleaning sheet.
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