Leviticus 14:44

42They shall take other stones, and put them in the place of those stones; and he shall take other mortar, and shall plaster the house.

43“If the plague comes again, and breaks out in the house after he has taken out the stones, and after he has scraped the house, and after it was plastered,

44then the priest shall come in and look; and behold, if the plague has spread in the house, it is a destructive mildew in the house. It is unclean.

45He shall break down the house, its stones, and its timber, and all the house’s mortar. He shall carry them out of the city into an unclean place.

46“Moreover he who goes into the house while it is shut up shall be unclean until the evening.