Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 15 - Roof Assemblies and Rooftop Structures
Section 1505 - FIRE CLASSIFICATION
Subsection 1505.3 - Class B roof assemblies
Universal Citation: 780 CMR MA Code of Regs 1505.3
Current through Register 1531, September 27, 2024
Class B roof assemblies are those that are effective against moderate fire-test exposure. Class B roof assemblies and roof coverings shall be listed and identified as Class B by an approved testing agency.
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