en_tn_condensed/lev/14/41.md

He will require

Here "He" refers to the priest.

all the inside walls of the house to be scraped

This can be translated in active form. Alternate translation: "that the owner scrapes all the inside walls" (See: rc://en/ta/man/jit/figs-activepassive)

the contaminated material that is scraped off

This refers to the material with mildew on it. This can be translated in active form. Alternate translation: "the contaminated material that they scraped off" (See: rc://en/ta/man/jit/figs-activepassive)

the unclean place

A place that is unfit for people to occupy or to be used for God's purposes is spoken of as if it were physically unclean. (See: rc://en/ta/man/jit/figs-metaphor)