How long should you stay out of house after fumigation, you should stay out of house after fumigation for 24 to 72 hours depending on type of fumigation, chemical used, and pest treated, with most professionals recommending 24 hours minimum and 48 to 72 hours for safety. For whole house tent fumigation for termites using sulfuryl fluoride Vikane, you must stay out during fumigation which lasts 24 to 72 hours, and after fumigant is cleared and house is ventilated and certified safe, you can re-enter, usually after 24 hours of aeration, total 2 to 3 days out. For indoor fogging or spraying for cockroaches or bed bugs, stay out 2 to 4 hours until spray dries, then ventilate 1 to 2 hours before re-entering. For gas fumigation, stay out until professionals test air and say safe. So how long should you stay out after fumigation, for tent fumigation, stay out 48 to 72 hours total including aeration, for regular pest spray, stay out 2 to 4 hours, with children, pets, elderly, and pregnant women staying out longer, 24 hours, and you should air out house by opening windows and doors for 1 to 2 hours upon return, clean food contact surfaces, and follow exterminator instructions, with label on chemical giving re-entry time, typically 24 hours for safety.
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