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nailable thicker than nails 12 or less, 8 sheathing) 1/2 inches on center for widths greater than 12 303 Specialty 11/32, 15/32, 6d Noncorrosive, 6{3} 12 on each stud Sidings 19/32 & 8d box or casing 6{3} 12 on each stud thicker nails Texture 1-11{4} 19/32 8d Noncorrosive, 6 12 on each stud box or casing nails For SI: 1 inch 25.4 mm. NOTES: 1. Panel thickness shall be not less than 3/8-inch nominal except for "303 Specialty Siding" panels which are grooved, striated, brushed or have other surface texture. Average thickness of "303 Specialty Siding" panels after texturing shall be not less than 5/16-inch. Nailing of plywood shall be as indicated. 2. Minimum edge distance of 3/8-inch. 3. Special requirement: Nails on ship-lap edges 3/8-inch from exposed edge and slant driven toward it; do not set. 4. In direct-to-stud applications 4- and 5-ply panels of 15/32-inch nominal thickness or more may be used over studs 24 inch o.c. if texturing does not penetrate through the face veneer. Other panels shall be used with face grain vertical on studs spaced 16-inches o.c. or with face grain horizontal on studs spaced 24-inches o.c. Five-ply panels having a nominal thickness of 19/32-inch or more, grooves no wider than 1-1/2-inch and space no closer than 12-inches o.c. may also be applied direct to studs spaced 24-inches o.c. 5. Along bottom edge. S230e.l.6 Studs shall have full bearing on a plate or sill of not less than 2 inch nominal thickness and having a width at least equal to the width of the studs. S230e.2 Bracing of exterior stud walls S2308.2.1 Corner bracing. Not less than three studs shall be installed at every corner of an exterior wall, except that a third stud may be omitted through the use of continuous wood spacer or backup cleat of 3/8- inch (9.5 mm) thick wood structural panel, I-inch thick lumber or other approved devices which will serve as an adequate backing for the attachment of facing materials. EXCZPTION: Where fire resistance or shear loads apply, wood spacers, backup cleats or other devices shall not be used unless specifically approved. S230&.2.2 Wall bracing. Where structural analysis is not required, according to ~2301.1.2, all exterior walls shall be in accordance with Table 2308.2.2A. S2308:~~2.1 Sheathing. Structural sheathing shall be installed in accordance with the provisions of Table 2308.2.2B when acting as wall bracing. To be considered effective as bracing, the sheathing shall be at least 48 inches (1219 mm) in width covering three 16-inch (406 mm)