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2021 Washington State Residential Code <br /> R602.3 Design and Construction <br /> Exterior walls ofwood-frame construction shall be designed and constructed in accordance with the provisions ofthis chapter and Figures R602.3(1)and <br /> R602.3(2),or in accordance with AWC NDS.Components of exterior walls shall be fastened in accordance with Tables R602.3(1)through R602.3(4).Wall <br /> sheathing shall be fastened directly to framing members and,where placed on the exterior side of an exterior wall,shall be capable of resisting the wind <br /> pressures listed in Table R301.2.1(1)adjusted for height and exposure using Table R301.2.1(2)and shall conform to the requirements of Table R602.3(3).Wall <br /> sheathing used only for exterior wall covering purposes shall comply with Section R703. <br /> Studs shall be continuous from support at the sole plate to a support at the top plate to resist loads perpendicular to the wall.The support shall be a <br /> foundation or floor,ceiling or roof diaphragm or shall be designed in accordance with accepted engineering practice. <br /> Exception:Jack studs,trimmer studs and cripple studs at openings in walls that comply with Tables R602.7(1)and R602.7(2). <br /> TABLE R602.3(1) <br /> FASTENING SCHEDULE <br /> ITEM DESCRIPTION OF BUILDING ELEMENTS NUMBER AND TYPE OF FASTENERa•e•` SPACING AND LOCATION <br /> Roof <br /> 4-8d box(21/2"x 0.113");or <br /> Blocking between ceilingjoists,rafters or 3-8d common(21/2"x 0.131");or <br /> Toe nail <br /> trusses to top plate or other framing below 3-10d box(3"x 0.128");or <br /> 3-3"x 0.131"nails <br /> 2-8d common(21/2"x 0.131");or <br /> Each end toe nail <br /> 1 2-3"x 0.131"nails <br /> Blocking between rafters or truss not at the wall <br /> top plates,to rafter or truss 2-16d common(31/2"x 0.162");or <br /> End nail <br /> 3-3"x 0.131"nails <br /> Flat blocking to truss and web filler 16d common(31/2"x 0.162");or 6"o.c.face nail <br /> 3"x 0.131"nails <br /> 4-8d box(21/2"x 0.113");or <br /> 2 Ceiling joists to top plate 3-8d common(21/2"x 0.131");or Perjoist,toe nail <br /> 3-10d box(3"x 0.128");or <br /> 3-3"x 0.131"nails <br /> Ceiling joist not attached to parallel rafter,laps 4-10d box(3"x 0.128");or <br /> 3 over partitions[see Section R802.5.2 and Table 3-16d common(31/2"x 0.162");or Face nail <br /> R802.5.20)] 4-3"x 0.131"nails <br /> Ceilingjoist attached to parallel rafter(heel <br /> 4 joint)[see Section R802.5.2 and Table Table R802.5.2(1) Face nail <br /> R802.5.2(1)] <br /> 4-10d box(3"x 0.128");or <br /> 5 Collar tie to rafter,face nail 3-10d common(3"x 0.148");or Face nail each rafter <br /> 4-3"x 0.131"nails <br /> 3-16d box(31/2"x 0.135");or <br /> 6 Rafter or roof truss to plate 3-10d common(3"x 0.148");or 2 toe nails on one side and 1 toe nail on <br /> 4-10d box(3"x 0.128");or opposite side of each rafter or truss <br /> 4-3"x 0.131"nails <br /> 4-16d box(31/2"x 0.135");or <br /> 3-10d common(3"x 0.148");or <br /> Toe nail <br /> 4-10d box(3"x 0.128");or <br /> Roof rafters to ridge,valley or hip rafters or roof 4-3"x 0.131"nails <br /> rafter to minimum 2"ridge beam 3-16d box(31/2"x 0.135");or <br /> 2-16d common(31/2"x 0.162");or <br /> End nail <br /> 3-10d box(3"x 0.128");or <br /> 3-3"x 0.131"nails <br />