675 Ind. Admin. Code 14-4.4-78

Current through May 29, 2024

Section 675 IAC 14-4.4-78 - Table R703.8.4(1); tie attachment and airspace requirements

Authority: IC 22-13-2-2; IC 22-13-2-2.5; IC 22-13-2-13

Affected: IC 22-12; IC 22-13; IC 22-14; IC 22-15; IC 36-7

Sec. 78.

Change TABLE R703.8.4(1) to read as follows:

TABLE R703.8.4(1)
TIE ATTACHMENT AND AIRSPACE REQUIREMENTS
BACKING AND TIE	MINIMUM TIE	MINIMUM TIE FASTENER^a	AIRSPACE^c
Wood stud backing with corrugated sheet metal	22 U.S. gage (0.0299 in.) x 7/8 in. wide	8d common nail^b (2 1/2 in. x 0.131 in.)	3/4 in. minimum between sheathing and veneer
Wood stud backing with metal strand wire	W1.7 (No. 9 U.S. gage; 0.148 in.) with hook embedded in mortar joint	8d common nail^b (2 1/2 in. x 0.131 in.)	3/4 in. minimum between sheathing and veneer	Maximum 4 1/2 in. between backing and veneer
Cold-formed steel stud backing with adjustable metal strand wire	W1.7 (No. 9 U.S. gage; 0.148 in.) with hook embedded in mortar joint	No. 10 screw extending through the steel framing a minimum of three exposed threads	3/4 in. minimum between sheathing and veneer	Maximum 4 1/2 in. between backing and veneer

For SI: 1 inch = 25.4 mm.

a. In seismic design category D₀, D₁, or D₂, the minimum tie fastener shall be an 8d ring-shank nail (2 1/2 in. x 0.131 in.) or a No. 10 screw extending through the steel framing a minimum of three exposed threads.

b. All fasteners shall have rust-inhibitive coating suitable for the installation in which they are being used, or be manufactured from material not susceptible to corrosion.

c. Mortar is permitted to encroach into the airspace or make incidental contact with the sheathing or the sheathing paper or equivalent.

675 IAC 14-4.4-78

Fire Prevention and Building Safety Commission; 675 IAC 14-4.4-78; filed 11/26/2019, 11:43 a.m.: 20191225-IR-675190330FRA