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Not usually. But, to minimize any smell, close windows and doors. Cover hvac units. You can also apply the product when it is warmer inside than outside. Vapor moves from the hot side to the cold side of a wall.
Not usually. But, to minimize any smell, close windows and doors. Cover hvac units. You can also apply the product when it is warmer inside than outside. Vapor moves from the hot side to the cold side of a wall.