Mecklenburg County
Common Code Defects
Commercial- Building
Code Defects
• Penetration through rated floor system assembly not correctly
protected such as plumbing or electrical contained in a non-rated
interior wall below that run up and into a rated floor/ceiling assembly
Code Description
Section 712.4 Horizontal assemblies
“Penetrations of a floor, floor/ceiling assembly or the ceiling membrane of a
roof/ceiling assembly shall be protected in accordance with Section 707.
Penetrations permitted by Exceptions 3 and 4 of Section 707.2 shall
comply with Sections 712.4.1 through 712.4.4” (Through or Membrane
penetrations).
Possible Options:
Approved firecaulk, fire collars or other material so designed and tested for
specific product penetrating rated assembly should be installed to maintain
integrity of rated assembly. UL directory will also detail specific product
applications for firestopping and this information is available on line at
www.ul.com.
Protection
required
Disclaimer: There may be other ways to comply with the Code. If so, you are not
required to use this method to comply with the Code. You may want to
investigate other options, or consult with a design professional identifying an
equally code compliant solution.