Leviticus 14:45-47

⁴⁵And they shall take down the house, and its timbers and its stones, and they shall carry out all the mortar without the city into an unclean place.

⁴⁶And he that goes into the house at any time, during its separation, shall be unclean until evening.

⁴⁷And he that sleeps in the house shall wash his garments, and be unclean until evening; and he that eats in the house shall wash his garments, and be unclean until evening.