Leviticus 14:50 (KJV)

And he shall break down the house, the stones of it, and the timber thereof, and all the morter of the house; and he shall carry them forth out of the city into an unclean place.

Moreover he that goeth into the house all the while that it is shut up shall be unclean until the even.

And he that lieth in the house shall wash his clothes; and he that eateth in the house shall wash his clothes.

And if the priest shall come in, and look upon it, and, behold, the plague hath not spread in the house, after the house was plaistered: then the priest shall pronounce the house clean, because the plague is healed.

And he shall take to cleanse the house two birds, and cedar wood, and scarlet, and hyssop:

And he shall take the cedar wood, and the hyssop, and the scarlet, and the living bird, and dip them in the blood of the slain bird, and in the running water, and sprinkle the house seven times:

And he shall cleanse the house with the blood of the bird, and with the running water, and with the living bird, and with the cedar wood, and with the hyssop, and with the scarlet:

But he shall let go the living bird out of the city into the open fields, and make an atonement for the house: and it shall be clean.

This is the law for all manner of plague of leprosy, and scall,

And for the leprosy of a garment, and of a house,