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Simpson Strong-Tie' Fastening Systems Technical Guide k <br /> Deck Construction — Ledgers <br /> Strong#Dri ve <br /> SDS, SDWS and SDWH HDG Sawn Lumber <br /> Deck Ledger to Band Joist Applications (cont.) <br /> Allowable Shear Loads for Attachment of Lumber Deck Ledger to <br /> Band Joist (cont.) <br /> Nominal Screw Band Joist , Shear Load <br /> Allowable <br /> Fastener Ledger Length Model <br /> Size (in.) No. Minimum Size (lb.) <br /> • 1"OSB OR 1"LVL 160 <br /> 1 1/a"OSB 225 <br /> 2x 4 SOWS2740OSS <br /> 15/16"LVL OR 1 Yd'LSL 225 <br /> • Strong Drive 2x Nominal Sawn Lumber 225 <br /> TIMBER SS <br /> Screw 1"OSB OR 1"LVL 190 <br /> • 1 Y6"OSB 190 <br /> 2-2x 5 SDWS2750OSS <br /> 15/16"LVL OR 11/a"LSL 190 <br /> • 2x Nominal Sawn Lumber 190 <br /> 1"OSB OR 1"LVL 280 <br /> 11/6"OSB 280 <br /> 2x 4 SDWH2740OG <br /> 15/16"LVL OR 11/4"LSL 280 <br /> Strong Drive SDWH 2x Nominal Sawn Lumber 280 <br /> TIMBER-HEX HOG Screw 1"OSB OR 1"LVL 315 <br /> 11/8"OSB 315 <br /> 2-2x 6 SDWH2760OG <br /> 15/16"LVL OR 11/4"LSL 315 <br /> 2x Nominal Sawn Lumber 315 <br /> 1.Specific gravity of the solid sawn band joists and ledgers shall be typical of species combinations with 0.42 s SG s 0.55. <br /> 2.Multiple ledger plies shall be fastened together per code independent of the SDS,SDWS or SDWH fasteners listed in the table. <br /> 3.Allowable loads are shown at the wood load duration factor of Co=1.0.Loads may be increased for load duration by the building <br /> code up to a CD=1.6. <br /> 4.Structural sheathing between the ledger and band joist shall be a maximum of 1/2"thick and fastened per code. n <br /> 5.See Screw Spacing Detail on the following page for spacing requirements. o <br /> 6.End screws shall be located near the bottom of the ledger.For end distances between 2"and 6",use 50%of the load and 50% 0 <br /> of the standard spacing between the end screw and the adjacent screw.For end distances between 2"and 4",predrill using a%z" <br /> drill bit for SDWH27SS fasteners,a'/,6"drill bit for the SDWH27G and SDWS27SS fasteners,a 5/32"drill bit for SDS,SDWS22DB, S, <br /> /s and SDWHI9SS fasteners,and a' "drill bit for SDWHI9DB. 2 <br /> 7.Visit strongtie.com/drawings and search for SD1-L for additional ledger fastening detail sheets and load tables in DWG,PDF o <br /> or DXF format. <br /> E <br /> �n <br /> M <br /> N <br /> O <br /> N <br /> ,L <br /> Z) <br /> 2 <br /> U <br /> c+) <br /> N <br /> O <br /> N <br /> LL <br /> U <br /> 168 <br />