Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 7 - Fire and Smoke Protection Features
Section 716 - DUCTS AND AIR TRANSFER OPENINGS
Subsection 716.7 - Flexible ducts and air connectors
Universal Citation: 780 CMR MA Code of Regs 716.7
Current through Register 1531, September 27, 2024
Flexible ducts and air connectors shall not pass through any fire-resistance-rated assembly. Flexible air connectors shall not pass through any wall, floor or ceiling.
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