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NYC Building Code

§ 2104.9 — § 2104.9

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What is NYC BC § 2104.9?

Quick Answer

This section mandates the construction of isolation joints in non-participating masonry walls and veneers. These joints must have adequate depth and width to prevent masonry distress caused by various movements such as deflections and expansions. Applies to building owners involved in masonry construction.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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2104.9 Isolation joints.

BC § 2104.9

All non-participating masonry walls and veneers shall be constructed with adequate depth and width of isolation joints to prevent masonry distress induced by deflections, drifts, shortening, expansion, or other similar movements in the plane of the wall.

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