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What is NYC AC § 27-811?

Quick Answer

This section mandates that all insulation materials used must be noncombustible. Additionally, coverings, vapor barriers, and adhesives are required to meet specific flame spread and smoke developed ratings. The statute is enforced by the Department of Buildings and applies to building owners utilizing insulation 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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§ 27-811 Insulation materials.

AC § 27-811

All insulations shall be of noncombustible materials. All coverings, vapor barriers and adhesives shall have a flame spread rating no higher than twenty-five and a smoke developed rating no higher than fifty. Adhesives and mastic finishes shall be tested in sufficient bulk to produce maximum burning, and shall be tested in accordance with reference standard RS 14-11.

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