Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 7 - Fire and Smoke Protection Features
Section 705 - EXTERIOR WALLS
Subsection 705.10 - Ducts and air transfer openings
Universal Citation: 780 CMR MA Code of Regs 705.10
Current through Register 1531, September 27, 2024
Penetrations by air ducts and air transfer openings in fire-resistance-rated exterior walls required to have protected openings shall comply with Section 716.
Exception: Foundation vents installed in accordance with this code are permitted.
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