Page 228 - 2018_IRC

WALL CONSTRUCTION

TABLE R602.10.4—continued
BRACING METHODS
CONNECTION CRITERIA a
METHODS, MATERIAL MINIMUM THICKNESS FIGURE
Spacing
Fasteners See Section R602.10.6.2
PFH
Intermittent Bracing Methods Portal frame at garage 7 / " See Section R602.10.6.3 See Section R602.10.6.3
3
See Section R602.10.6.2
Portal frame with
/ "
8
hold-downs
PFG
16

Exterior sheathing per
CS-WSP Table R602.3(3) 6" edges 12" field
Continuously sheathed 3 / "
8
Interior sheathing per
wood structural panel Table R602.3(1) or R602.3(2) Varies by fastener
Continuous Sheathing Methods Continuously sheathed 7 3 / " See Section R602.10.6.4 See Section R602.10.6.4
b, c
CS-G
wood structural panel
See Method CS-WSP
See Method CS-WSP
/ "
8
adjacent to garage
openings
CS-PF
Continuously sheathed
16
portal frame
1
1 / " long × 0.12" dia.
2
1
25
/ " or / " for
d
CS-SFB
2
2
32
3
Continuously sheathed 1 maximum 16" (for / " thick sheathing) 3" edges 6" field
1 / " long × 0.12" dia.
4
25
structural fiberboard stud spacing (for / " thick sheathing)
32
galvanized roofing nails
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 degree = 0.0175 rad, 1 pound per square foot = 47.8 N/m , 1 mile per hour = 0.447 m/s.
2
a. Adhesive attachment of wall sheathing, including Method GB, shall not be permitted in Seismic Design Categories C, D , D and D . 2
0
1
b. Applies to panels next to garage door opening where supporting gable end wall or roof load only. Shall only be used on one wall of the garage. In Seismic
Design Categories D 0 , D 1 and D 2, roof covering dead load shall not exceed 3 psf.
c. Garage openings adjacent to a Method CS-G panel shall be provided with a header in accordance with Table R602.7(1). A full-height clear opening shall not
be permitted adjacent to a Method CS-G panel.
d. Method CS-SFB does not apply in Seismic Design Categories D , D and D . 2
1
0
e. Method applies to detached one- and two-family dwellings in Seismic Design Categories D 0 through D 2 only.

2018 INTERNATIONAL RESIDENTIAL CODE ® 203
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