Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 7 - Fire and Smoke Protection Features
Section 706 - FIRE WALLS
Subsection 706.11 - Ducts and air transfer openings
Universal Citation: 780 CMR MA Code of Regs 706.11
Current through Register 1531, September 27, 2024
Ducts and air transfer openings shall not penetrate fire walls.
Exception: Penetrations by ducts and air transfer openings of fire walls that are not on a lot line shall be allowed provided the penetrations comply with Section 716. The size and aggregate width of all openings shall not exceed the limitations of Section 706.8.
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