General
NYC Building Code § BC 2601
in effectSection BC 2601: General
2601.1 Scope.
These provisions shall govern the materials, design, application, construction and installation of foam plastic, foam plastic insulation, plastic veneer, interior plastic finish and trim, light-transmitting plastics and plastic composites, including plastic lumber. See Chapter 14 for requirements for exterior wall finish and trim.
2601.2 Exterior wall coverings.
The use of plastics in exterior wall coverings is subject to the following limitations:
1. Exterior wall coverings containing plastics shall not be permitted on Type IV construction utilizing cross-laminated timber (CLT) or structural composite lumber (SCL) complying with Section 602.4.
2. Exterior wall coverings containing plastics shall not be permitted at exterior balconies and shall comply with Section 1406.3.
Exception: Combustible water-resistive barriers complying with Section 1403.5.1.
2601.2.1 Construction documents.
Construction documents for exterior wall coverings required to be tested to NFPA 285 by this chapter shall comply with the requirements of Section 1401.2.
Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-183092Fetched: 10/24/2026