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NYC Building Code

§ 720.4 — § 720.4

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What is NYC BC § 720.4?

Quick Answer

This section outlines the requirements for loose-fill insulation materials regarding flame spread and smoke-developed limits when tested according to specific standards. It specifies that cellulosic fiber loose-fill insulation is exempt from flame spread index requirements under certain conditions. Applies to building owners using loose-fill insulation in construction.

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

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720.4 Loose-fill insulation.

BC § 720.4

Loose-fill insulation materials that cannot be mounted in the ASTM E 84 apparatus without a screen or artificial supports shall comply with the flame spread and smoke-developed limits of Sections 720.2 and 720.3 when tested in accordance with CAN/ULC S102.2. Exception: Cellulosic fiber loose-fill insulation shall not be required to meet a flame spread index requirement when tested in accordance with CAN/ULC S102.2, provided such insulation has a smoke-development index that complies with the requirements of Section 720.2 or 720.3, as applicable, and Section 720.6.

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