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What is NYC BC § 703.5.2?

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This section defines acceptable composite materials that have a structural base of noncombustible material and specific surfacing thickness and flame spread index requirements. The statute ensures compliance with fire safety standards. Applies to building owners using composite materials in construction.

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

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703.5.2 Composite materials.

BC § 703.5.2

Materials having a structural base of noncombustible material as determined in accordance with Section 703.5.1 of this code with a surfacing not more than 0.125 inch (3.18 mm) thick that has a flame spread index not greater than 50 when tested in accordance with ASTM E 84 or UL 723 shall be acceptable as noncombustible materials.

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