Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 24 - Glass and Glazing
Section 2405 - SLOPED GLAZING AND SKYLIGHTS
Subsection 2405.2 - Allowable glazing materials and limitations
Current through Register 1531, September 27, 2024
Sloped glazing shall be any of the following materials, subject to the listed limitations.
1. For monolithic glazing systems, the glazing material of the single light or layer shall be laminated glass with a minimum 30-mil (0.76 mm) polyvinyl butyral (or equivalent) interlayer, wired glass, light-transmitting plastic materials meeting the requirements of Section 2607, heat-strengthened glass or fully tempered glass.
2. For multiple-layer glazing systems, each light or layer shall consist of any of the glazing materials specified in Item 1 above.
Annealed glass is permitted to be used as specified within Exceptions 2 and 3 of Section 2405.3.
For additional requirements for plastic skylights, see Section 2610. Glass-block construction shall conform to the requirements of Section 2101.2.5.