In the walls of the house this was an extraordinary judgment of God peculiar to this people, either as a punishment of their sins, which were much more sinful and inexcusable than the sins of other nations; or as a special mean and help to repentance, which God afforded to them above other people; or as a document of the mischievous nature of sin, typified by leprosy, which did not only destroy persons, but their habitations also: see Malachi 5:4. With hollow strakes, such as were in the bodies of leprous persons, Leviticus 13:3.
Related Commentaries of Leviticus 14:37
Leviticus 14:37
37 And 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;