N.Y.C. Admin. Code § BC H107: Section BC H107: Material Limitations

H107.1 Use of combustibles.

In all signs required to be constructed of noncombustible materials pursuant to the provisions of Sections H109 through H116, the following materials may be used for moldings, cappings, nailing blocks, letters and latticing, or other purely ornamental features of signs, unless otherwise directed by the commissioner: wood, approved plastic or plastic veneer panels as provided for in Chapter 26 of this code, or other materials of combustible characteristics similar to wood. In all signs permitted to be constructed of combustible materials pursuant to the provisions of Sections H107 through H116, wood and other materials of combustible characteristics similar to wood shall be permitted, pursuant to the provisions of Sections H109 through H116, on the display surface without limit, except that approved plastic shall be limited in area by the provisions of Section H107.1.3.

H107.1.1 Approved plastic materials.

Plastic materials which burn at a rate no faster than 2.5 inches per minute (64 mm/s) when tested in accordance with ASTM D 635 shall be deemed approved plastics and can be used as the display surface material and for the letters, decorations and facings on signs, subject to the area limitations of Sections H107.1.2 through H107.1.3.

Exception: Flexible vinyl signs shall comply with the requirements of Section H114.

H107.1.2 Plastic area limitations for internally illuminated signs.

Except as provided for in Sections 402.14 and 2611 of this code, approved plastic used on the display surface of internally illuminated signs shall be permitted up to 200 square feet (18.6 m

2

) in area on signs required to be of noncombustible construction and on signs permitted to be of combustible construction.

H107.1.3 Plastic area limitations for all other signs.

Approved plastic used on the display surface of ground signs, walls signs, roof signs, projecting signs, and marquee signs shall be limited in area as provided by Sections H107.1.3.1 through H107.1.3.4.

H107.1.3.1 Plastic area limitations on noncombustible ground signs and wall signs.

On ground signs and wall signs required to be constructed of noncombustible materials, if the display surface does not exceed 150 square feet (13.9 m

2

), the entire display surface shall be permitted to be covered by approved plastic. If the area of a display surface exceeds 150 square feet (13.9 m

2

), the area occupied or covered by approved plastics shall be limited to 150 square feet (13.9 m

2

) plus 50 percent of the difference between 150 square feet (13.9 m

2

) and the total area of display surface. The area of plastic on a display surface shall not in any case exceed 1,050 square feet (97.5 m

2

), unless approved by the commissioner.

H107.1.3.2 Plastic area limitations on combustible ground signs and wall signs.

On ground signs and wall signs permitted to be constructed of combustible materials, if the display surface does not exceed 300 square feet (27.9 m

2

), 50 percent of the display surface shall be permitted to be covered by approved plastic. If the area of a display surface exceeds 300 square feet (27.9 m

2

), the area occupied or covered by approved plastics shall be limited to 150 square feet (13.9 m

2

) plus 25 percent of the difference between 150 square feet (13.9 m

2

) and the total area of display surface. The area of plastic on a display surface shall not in any case exceed 575 square feet (53.4 m

2

), unless approved by the commissioner.

H107.1.3.3 Plastic area limitations on noncombustible roof signs, projecting signs, and marquee signs.

On roof signs, projecting signs, and marquee signs required to be constructed of noncombustible materials, if the display surface does not exceed 150 square feet (13.9 m

2

), the entire display surface shall be permitted to be covered by approved plastic. If the area of a display surface exceeds 150 square feet (13.9 m

2

), the area occupied or covered by approved plastics shall be limited to 150 square feet (13.9 m

2

) plus 25 percent of the difference between 150 square feet (13.9 m

2

) and the total area of display surface. The area of plastic on a display surface shall not in any case exceed 575 square feet (53.4 m

2

), unless approved by the commissioner.

H107.1.3.4 Plastic area limitations on combustible roof signs.

On roof signs permitted to be constructed of combustible materials, if the display surface does not exceed 1,000 square feet (92.9 m

2

), 25 percent of the display surface shall be permitted to be covered by approved plastic. If the area of a display surface exceeds 1,000 square feet (92.9 m

2

), the area occupied or covered by approved plastics shall be limited to 250 square feet (23.2 m

2

) plus 10 percent of the difference between 250 square feet (23.2 m

2

) and the total area of display surface. The area of plastic on a display surface shall not in any case exceed 350 square feet (32.5 m

2

), unless approved by the commissioner.

H107.2 Glass panels.

Glass panels used in display areas of signs shall be designed in accordance with Chapter 24 of this code.