Michigan Administrative Code
Department - Licensing and Regulatory Affairs
Bureau of Construction Codes
Construction Code Commission General Rules
Construction Code
Part 7 - PLUMBING CODE
AMENDMENTS AND ADDITIONS TO BASIC PLUMBING CODE
Section R. 408.30754a - Frost Closure
Universal Citation: MI Admin Code R. 408.30754a
Current through Vol. 24-16, September 15, 2024
Rule 754a. Section 903.2 of the code is amended to read as follows:
Section 903.2. Frost Closure. To prevent frost closure, every vent extension through a roof shall be a minimum of 3 inches (76 mm) in diameter. Any increase in the size of the vent shall be made inside the building a minimum of 1 foot (305 mm) below the roof or inside the wall.
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