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R602.10.4.1 Continuous Sheathing Braced Wall Panels

Tennessee Residential Code 2009 > 6 Wall Construction > R602 Wood Wall Framing > R602.10 Wall Bracing > R602.10.4 Continuous Sheathing > R602.10.4.1 Continuous Sheathing Braced Wall Panels
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Continuous sheathing methods require structural panel sheathing to be used on all sheathable surfaces on one side of a braced wall line including areas above and below openings and gable end walls. Braced wall panels shall be constructed in accordance with one of the methods listed in Table R602.10.4.1. Different bracing methods, other than those listed in Table R602.10.4.1, shall not be permitted along a braced wall line with continuous sheathing.

TABLE R602.10.4.1
CONTINUOUS SHEATHING METHODS
METHOD MATERIAL MINIMUM THICKNESS FIGURE CONNECTION CRITERIA
CS-WSP Wood structural panel 3/8" 6d common (2" × 0.113") nails at 6" spacing (panel edges) and at 12" spacing (intermediate supports) or 16 ga. × 13/4 staples at 3" spacing (panel edges) and 6" spacing (intermediate supports)
CS-G Wood structural panel adjacent to garage openings and supporting roof load onlya,b 3/8" See Method CS-WSP
CS-PF Continuous portal frame See Section
R602.10.4.1.1		 See Section
R602.10.4.1.1

For SI: 1 inch = 25.4 mm, 1 pound per square foot = 47.89 Pa.
  1. Applies to one wall of a garage only.
  2. Roof covering dead loads shall be 3 psf or less.
R602.10.4.1.1 Continuous Portal Frame
Continuous portal frame braced wall panels shall be constructed in accordance with Figure R602.10.4.1.1. The number of continuous portal frame panels in a single braced wall line shall not exceed four. For purposes of resisting wind pressures acting perpendicular to the wall, the requirements of Figure R602.10.4.1.1 and Table R602.10.4.1.1 shall be met. There shall be a maximum of two braced wall segments per header and header length shall not exceed 22 feet (6706 mm). Tension straps shall be installed in accordance with the manufacturer's recommendations.

TABLE R602.10.4.1.1
TENSION STRAP CAPACITY REQUIRED FOR RESISTING WIND PRESSURES
PERPENDICULAR TO 6:1 ASPECT RATIO WALLSa,b
MINIMUM WALL STUD FRAMING NOMINAL SIZE AND GRADE MAXIMUM PONY WALL HEIGHT (feet) MAXIMUM TOTAL WALL HEIGHT
(feet)		 MAXIMUM OPENING WIDTH
(feet)		 BASIC WIND SPEED (mph)
85 90 100 85 90 100
Exposure B Exposure C
Tension strap capacity required (lbf)a,b
2 × 4
No. 2 Grade		 0 10 18 1000 1000 1000 1000 1000 1000
1 10 9 1000 1000 1000 1000 1000 1275
16 1000 1000 1750 1800 2325 3500
18 1000 1200 2100 2175 2725 DR
2 10 9 1000 1000 1025 1075 1550 2500
16 1525 2025 3125 3200 3900 DR
18 1875 2400 3575 3700 DR DR
2 12 9 1000 1200 2075 2125 2750 4000
16 2600 3200 DR DR DR DR
18 3175 3850 DR DR DR DR
4 12 9 1775 2350 3500 3550 DR DR
16 4175 DR DR DR DR DR
2 × 6
Stud Grade		 2 12 9 1000 1000 1325 1375 1750 2550
16 1650 2050 2925 3000 3550 DR
18 2025 2450 3425 3500 4100 DR
4 12 9 1125 1500 2225 2275 2775 3800
16 2650 3150 DR DR DR DR
18 3125 3675 DR DR DR DR

For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound force = 4.448 N.
  1. DR = design required.
  2. Strap shall be installed in accordance with manufacturer's recommendations.
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound force = 4.448 N.
FIGURE R602.10.4.1.1
METHOD CS-PF: CONTINUOUS PORTAL FRAME PANEL CONSTRUCTION
0

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