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// CODE SNIPPET

803.1.1 Flame-Spread and Smoke-Development Tests

NYC Building Code 2014 > 8 Interior Finishes > 803 Wall and Ceiling Finishes > 803.1 General > 803.1.1 Flame-Spread and Smoke-Development Tests
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Interior wall and ceiling finish materials shall be tested and accorded indices for flame spread and smoke development in accordance with ASTM E 84 or UL 723.

803.1.1.1 Classification of Flame Spread Indices

Such interior finish materials shall be grouped in the following flame spread classes in accordance with their flame spread index.

Class A: Flame spread 0—25.

Class B: Flame spread 26—75.

Class C: Flame spread 76—200.

803.1.1.2 Interior Flame Spread Index Requirements Based on Occupancy Group

Interior wall and ceiling finish shall have a flame spread index not greater than that for the classification rating specified in Table 803.1 for the group and location designated.

803.1.1.3 Interior Smoke Developed Index Requirements Based on Occupancy Group

Except where permitted for interior trim in Section 806.5, acceptable smoke-developed indices shall range from 0—450 with the following restrictions:

Exits, corridors 25 or less
Occupancy Group I 50 or less
Rooms in which the net floor area
per occupant is 10 square feet or less
100 or less

Related Code Sections


803.1.1 Interior Finishes, Flame-Spread and Smoke-Development Tests
Interior wall and ceiling finish materials shall be tested and accorded indices for flame spread and smoke development in accordance with ASTM E 84 ...
NYC Building Code 2014 > 8 Interior Finishes > 803 Wall and Ceiling Finishes > 803.1 General > 803.1.1 Flame-Spread and Smoke-Development Tests
2603.3 Plastic, Surface-Burning Characteristics
84. Loose fill-type foam plastic insulation shall be tested as board stock for the flame spread index and smoke-developed index. Exceptions ...
NYC Building Code 2008 > 26 Plastic > 2603 Foam Plastic Insulation > 2603.3 Surface-Burning Characteristics
2603.3 Plastic, Surface-Burning Characteristics
84 or UL 723. Loose fill-type foam plastic insulation shall be tested as board stock for the flame spread index and smoke-developed indexes ...
NYC Building Code 2014 > 26 Plastic > 2603 Foam Plastic Insulation > 2603.3 Surface-Burning Characteristics
1405.18.3.5 Exterior Walls, Flame Spread
finish coat shall be tested in accordance with ASTM E 84, and shall have a flame spread rating of 25 or less and a smoke-developed rating of 50 ...
NYC Building Code 2008 > 14 Exterior Walls > 1405 Installation of Wall Coverings > 1405.18 Exterior Insulation Finish System (EIFS) > 1405.18.3 Installation on Type I, II, III, or IV Construction > 1405.18.3.5 Flame Spread
719.1 Fire and Smoke Protection Features, General
of elementary materials, based on the test procedures of ASTM E 136; or Have a flame spread index not greater than 25, a smoke-development index ...
NYC Building Code 2014 > 7 Fire and Smoke Protection Features > 719 Thermal- And Sound-Insulating Materials > 719.1 General
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