Opinion: Sheathing at garage firewall

Inquiry: 00-05

Subject: Sheathing at garage firewall

Code: UBC Sec. 2320.11.3, subpart 5, Bracing

Submitted by: MN B.O. Uniformity Committee

Approved by: Thomas R. Joachim, State Building Official

Issue Date: January 12, 2000

Question: Is a structurally rated wood or fiberboard wall sheathing required as a backer to fire-rated gypsum board on the house/garage common wall?

Answer:
No. Gypsum wallboard may be used as a braced wall panel as per the referenced section.

Comments: The interior face of this wall may not require any gypsum board depending upon the length of the braced wall panels.

Inquiry:	00-05
Subject:	Sheathing at garage firewall
Code:	UBC Sec. 2320.11.3, subpart 5, Bracing
Submitted by:	MN B.O. Uniformity Committee
Approved by:	Thomas R. Joachim, State Building Official
Issue Date:	January 12, 2000
Question:	Is a structurally rated wood or fiberboard wall sheathing required as a backer to fire-rated gypsum board on the house/garage common wall?
Answer:	No. Gypsum wallboard may be used as a braced wall panel as per the referenced section.
Comments:	The interior face of this wall may not require any gypsum board depending upon the length of the braced wall panels.