(6.16.8) When piping or tubing passes through an interior wall of masonry or concrete, the portion of piping or tubing that runs through the wall shall be sleeved or double wrapped with a waterproof wrap.
Description: (6.16.8) When piping or tubing passes through an interior wall of masonry or concrete, the portion of piping or tubing that runs through the wall shall be sleeved or double wrapped with a waterproof wrap.