Walls in Leviticus
2 verses in Leviticus.
Leviticus 14:37And he shall look on the plague, and, behold, if the plague be in the walls of the house with hollow strakes, greenish or reddish, which in sight are lower than the wall;
Leviticus 14:39And the priest shall come again the seventh day, and shall look: and, behold, if the plague be spread in the walls of the house;