Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 115 - Appendices
Appendix H - Signs
Section H107 - COMBUSTIBLE MATERIALS
Subsection H107.1 - Use of combustibles
Current through Register 1531, September 27, 2024
Wood, approved plastic or plastic veneer panels as provided for in Chapter 26, or other materials of combustible characteristics similar to wood, used for moldings, cappings, nailing blocks, letters and latticing, shall comply with Section H109.1, and shall not be used for other ornamental features of signs, unless approved.
H107.1.1 Plastic materials. Notwithstanding any other provisions of this code, 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 and outdoor display structures.
H107.1.2 Electric sign faces. Individual plastic facings of electric signs shall not exceed 200 square feet (18.6 m2) in area.
H107.1.3 Area limitation. If the area of a display surface exceeds 200 square feet (18.6 m2), the area occupied or covered by approved plastics shall be limited to 200 square feet (18.6 m2) plus 50 percent of the difference between 200 square feet (18.6 m2) and the area of display surface. The area of plastic on a display surface shall not in any case exceed 1,100 square feet (102 m2).
H107.1.4 Plastic appurtenances. Letters and decorations mounted on an approved plastic facing or display surface can be made of approved plastics.