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layers at top and bottom and staggered. a t <br /> 10d box(3"x 0.128");or 24"o.c.face nail at top and bottom <br /> 3"x 0.131"nails staggered on opposite sides <br /> And: <br /> 2-20d common(4"x 0.192");or <br /> 3-10d box(3"x 0.1281;or Face nail at ends and at each splice <br /> 3-3"x 0.131"nails <br /> 4-16d box(31/2"x 0.135");or <br /> 3-16d common(31/2"x 0.162");or <br /> 28 Ledger strip supporting joists or rafters 4-10d box(3"x 0.128");or At each joist or rafter,face nail <br /> 4-3"x 0.131"nails <br /> 29 Bridging or blocking to joist 2-;Od box(3"x 0.128"),or 2-8d common Each end,toe nail <br /> (2/2'x 0.131";or 2-3"x 0.131")nails <br /> SPACING OF FASTENERS <br /> DESCRIPTION NUMBER AND ITEM Intermediate <br /> OF BUILDING ELEMENTS TYPE OF FASTENERa,b, Edges e <br /> b supports <br /> (inches) (inches) <br /> Wood structural panels,subfloor,roof and interior wall sheathing to framing and particleboard wall sheathing to framing <br /> [see Table R602.3(3)for wood structural panel exterior wall sheathing to wall framing] <br /> 6d common(2"a 0.113")nail(subfloor,wall)' <br /> 30 3/8"—1/2' 8d common(21/2'a 0.131")nail(roof);or 6 121 <br /> RSRS-01(23/8"a 0.113")nail(roof)i <br /> 31 19/ 1" 8d common nail(21/2"x 0.131");or RSRS-01; 6 12f <br /> sz (23/8'a 0.113")nail(roof)j <br /> 32 1 /e'—1 /4' 10d common(3"x 0.148")nail;or 126 <br /> 8d(21/2"a 0.131")deformed nail <br /> Other wall sheathings <br /> 1/2"structural cellulosic fiberboard 11/2'galvanized roofing nail,7/16"head <br /> 33 3 6 <br /> sheathing diameter,or 11/4'long 16 ga.staple with 7/t6"or 1"crown <br /> 34 25/32'structural cellulosic 13/4"galvanized roofing nail,7/16"head diameter, 6 <br /> fiberboard sheathing or 11/2'long 16 ga.staple with 7/16"or 1"crown <br /> 11/2'galvanized roofing nail;staple galvanized, <br /> 35 1/2'gypsum sheathings 7 7 <br /> 1 /2"long;11 <br /> /4'screws,Type W or S <br /> 6 s/$'gypsum sheathings 13/4"galvanized roofing nail;staple galvanized,3 7 <br /> 1 /8"long;1 /a'screws,Type W or S <br /> Wood structural panels,combination subfloor underlayment to framing <br /> 37 3/4'and less 6d deformed(2"a 0.120")nail;or 6 12 <br /> 8d common(21/2"a 0.131")nail <br /> 38 /Q"--1" 8d common(21/2'a 0.131")nail;or 6 12 <br /> 8d deformed(2/2"a 0.120")nail <br /> 39 1 /$'—1'/4' 10d common(3"a 0.148")nail;or 6 12 <br /> 8d deformed(2/2'x 0.120")nail <br /> For SI:1 inch=25.4 mm,1 foot=304.8 mm,1 mile per hour=0.447 m/s;1 ksi=6.895 MPa. <br /> a.Nails are smooth-common,box or deformed shanks except where otherwise stated.Nails used for framing and sheathing connections shall have minimum <br /> average bending yield strengths as shown:80 ksi for shank diameter of 0.192 inch(20d common nail),90 ksi for shank diameters larger than 0.142 inch but <br /> not larger than 0.177 inch,and 100 ksi for shank diameters of 0.142 inch or less. <br /> b.Staples are 16 gage wire and have a minimum 7/16-inch on diameter crown width. <br /> c.Nails shall be spaced at not more than 6 inches on center at all supports where spans are 48 inches or greater. <br /> d.Four-foot by 8-foot or 4-foot by 9-foot panels shall be applied vertically. pA <br />