Where openings have been made in walls, floors or ceilings for the passage of pipes, the annular space between the pipe and the sides of the opening shall be sealed with caulking materials or closed with gasketing systems compatible with the plumbing materials and locations.
(Amend Coun. J. 4-10-19, p. 100029, Art. XVI, § 5; Amend Coun. J. 10-14-21, p. 37722, Art. III, § 5)