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NYC Building Code

§ 715.4.2 — § 715.4.2

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What is NYC BC § 715.4.2?

Quick Answer

This section mandates that voids at the intersection of nonfire-resistance-rated exterior curtain wall assemblies and fire barriers be filled using an approved material or system. The installation must be secure to ensure it accommodates building movements and retards fire and hot gas passage. Applies to building owners and property operators responsible for fire safety measures.

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

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715.4.2 Exterior curtain wall / vertical fire barrier intersections.

BC § 715.4.2

Voids created at the intersection of nonfire-resistance-rated exterior curtain wall assemblies and fire barriers shall be filled. An approved material or system shall be used to fill the void and shall be securely installed in or on the intersection for its entire length so as not to dislodge, loosen or otherwise impair its ability to accommodate expected building movements and to retard the passage of fire and hot gases.

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