§ 14B-21-2101 — General
Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 14B-21-2101
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14B-21-2101 General.
The provisions of Section 2101 of IBC are adopted by reference with the following modification: 1. Add new Section 2101.2.2 to read: "2101.2.2 Single-wythe exterior walls. Masonry units used in single-wythe exterior walls of buildings containing a Group R occupancy shall be tested in accordance with ASTM E514 and shall have integral water repellant included in the manufacturing process. Exception: Grade SW clay or shale masonry units. Mortar used in single-wythe exterior walls of buildings containing a Group R occupancy shall have a compatible water repellant added to the mixture." (Amend Coun. J. 10-7-20, p. 21791, Art. II, § 30)