Section 267. Chapter 14 Exterior walls

A. Delete Section 1403.5 of the IBC.

B. Add Section 1403.8 to the IBC to read:

1403.8 Air barriers. The exterior wall envelope shall be designed and constructed by providing air barriers that comply with the IECC.

C. Change Section 1407.10.4 of the IBC to read:

1407.10.4 Full-scale test. The MCM system shall be tested in accordance with, and comply with, the acceptance criteria of NFPA 285. Such testing shall be performed on the MCM system with the MCM in the maximum thickness intended for use. Where noncombustible materials or combustible materials permitted by Sections 603, 803, 806, or 1406 differ from assembly to assembly or within an assembly, multiple tests shall not be required.

Exception: The MCM system is not required to be tested in accordance with, and comply with, acceptance criteria of NFPA 285 in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1.

Historical Notes

Derived from Volume 24, Issue 14, eff. May 1, 2008; amended, Virginia Register Volume 27, Issue 02, eff. March 1, 2011; Change in Effective Date, 27:5 VA.R. 534 November 8, 2010; amended, Virginia Register Volume 30, Issue 16, eff. July 14, 2014.

Statutory Authority

§ 36-98 of the Code of Virginia.