Statutes, codes, and regulations
Code of Massachusetts Regulations
Department 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDSChapter 15 - Roof Assemblies and Rooftop Structures
Section 1505 - FIRE CLASSIFICATION
Subsection 1505.2 - Class A roof assemblies

780 CMR, 1505.2

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Current through Register 1533, October 25, 2024
Subsection 1505.2 - Class A roof assemblies

Class A roof assemblies are those that are effective against severe fire test exposure. Class A roof assemblies and roof coverings shall be listed and identified as Class A by an approved testing agency. Class A roof assemblies shall be permitted for use in buildings or structures of all types of construction.

Exceptions:

1. Class A roof assemblies include those with coverings of brick, masonry or an exposed concrete roof deck.
2. Class A roof assemblies also include ferrous or copper shingles or sheets, metal sheets and shingles, clay or concrete roof tile or slate installed on noncombustible decks or ferrous, copper or metal sheets installed without a roof deck on noncombustible framing.

780 CMR, 1505.2