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Abstract
BACKGROUND: THE 2021 INTERNATIONAL BUILDING CODE (IBC), CHAPTER 1507, NOTES THAT FOR VAST MAJORITY OF LOW-SLOPE (LOW SLOPE IS DEFINED AS MAXIMUM TWO UNITS VERTICAL PER 12 UNITS HORIZONTAL) ROOF MEMBRANES. "THE J:vfINIMUM DESIGN SLOPE SHALL NOT BE LESS THAN ONE?? FOURTH UNIT VERTICAL PER TWELVE UNITS HORIZONTAL (2-PERCENT SLOPE) FOR DRAINAGE."1 THE ONLY EXCEPTION NOTED IN THE CODE IS FOR A COAL TAR BASED ROOF SYSTEM.
BACKGROUND: THE 2021 INTERNATIONAL BUILDING CODE (IBC), CHAPTER 1507, NOTES THAT FOR VAST MAJORITY OF LOW-SLOPE (LOW SLOPE IS DEFINED AS MAXIMUM TWO UNITS VERTICAL PER 12 UNITS HORIZONTAL) ROOF MEMBRANES. "THE J:vfINIMUM DESIGN SLOPE SHALL NOT BE LESS THAN ONE?? FOURTH UNIT VERTICAL PER TWELVE UNITS HORIZONTAL (2-PERCENT SLOPE) FOR DRAINAGE."1 THE ONLY EXCEPTION NOTED IN THE CODE IS FOR A COAL TAR BASED ROOF SYSTEM.
Date
6/2024
6/2024
Author(s)
Darrell Smith
Darrell Smith
Page(s)
26-34
26-34
Source
Construction Specifier
Construction Specifier
Keyword(s)
drainage; storm; water; roof;
drainage; storm; water; roof;