510 R.I. Code R. 510-RICR-00-00-2.25
Current through November 7, 2024
Twelve inches (12") (304.8 mm)
Delete IRC P3103.2 Frost Closure and substitute the following:
Frost Closure: Each vent extension through a roof shall have a minimum size of three inches (3") in Providence County and two inches (2") in all others. Where this results in an increase in size of the vent extension, the change in diameter shall be made inside the building a minimum of six inches (6") below the roof with an approved fitting.
510 R.I. Code R. 510-RICR-00-00-2.25
Amended effective 2/1/2022