King James Version
And he shall cause the house to be scraped within round about, and they shall pour out the dust that they scrape off without the city into an unclean place:English Standard Version
And he shall have the inside of the house scraped all around, and the plaster that they scrape off they shall pour out in an unclean place outside the city.New International Version
He must have all the inside walls of the house scraped and the material that is scraped off dumped into an unclean place outside the town.