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NYC Building Code

§ 1405.12.4.1 — § 1405.12.4.1

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What is NYC BC § 1405.12.4.1?

Quick Answer

This section outlines the requirements for the installation of thin exterior structural glass veneer above sidewalk level, specifying the need for nonferrous metal shelf angles in horizontal joints. These angles must meet specific thickness and length criteria and be secured using approved methods. Applies to building owners installing glass veneer above specified heights.

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

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1405.12.4.1 Installation above sidewalk level.

BC § 1405.12.4.1

Where thin exterior structural glass veneer is installed above the level of the top of a bulkhead facing, or at a level more than 36 inches (914.4 mm) above the sidewalk level, the mastic cement binding shall be supplemented with approved nonferrous metal shelf angles located in the horizontal joints in every course. Such shelf angles shall be not less than 0.0478 inch (1.2 mm) thick and not less than 2 inches (50.8 mm) long and shall be spaced at approved intervals, with not less than two angles for each glass unit. Shelf angles shall be secured to the wall or backing with expansion bolts, toggle bolts or by other approved methods.

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