6715 HIGHLAND DR 2025-09-30 - Laserfiche WebLink

u IScrew Ledger-to-Stud Applications I 1 Strong-Drive SDWS Timber screws may be used to attach a ledger to the narrow face of nominal 2x lumber studs according to the following table. Values are based on assembly tests with analysis performed in accordance with ICC-ES AC233. Allowable Shear Values for Ledger Attachment to Studs Nominal able Shear ... , Length Ledger Number of Model (in.) Size Screws per SPF/HF SP Shid kii 2x6 2 630 565 785 SDWS224000B 4 2x8 3 890 1 2x10 4 1,040 1,040 — 1.Allowable loads shall be limited to parallel to-grain-loaded 5.Screws may be installed with an intermediate layer of wood lumber studs(minimum 2"nominal).Wood ledgers shall be structural panel between the ledger and stud provided the loaded perpendicular to grain. wood structural panel is fastened to the stud per code and 2.Allowable loads are based on DF,SPFMF,and SP wood the minimum screw penetration of 21h"into the main member members having a minimum specific gravity of 0.50,0.42 and (excluding the wood structural panel)is met.Longer lengths of 0.55,respectively.Where the ledgers and studs have different the screw series may be used. specific gravities,the lower values shall be used. 6.For LRFD values,the reference connection design values shall 3.Allowable loads are shown at the wood bad duration factor be adjusted in accordance with the NDS,section 11.3. Of CD=1.00.Loads may be increased for load duration as 7.For 2x10 SP ledgers,use the number of screws and allowable permitted by the building code up to a CD=1.60. bads of the 2)(8 SP ledger. All adjustment factors shall be applied per the 2018 National 8.For 2x8 ledgers with two screws,use 2x6 values.For 2x10 Design Specification(NDS).For in-service moisture content ledgers with three screws,use 2x8 values.Spacings and edge greater than 19%,use CM=0.70. distances shown in the figure are minimum dimensions. 4.Fasteners shall be centered in the stud and spaced as shown 9.For bads in the opposite direction from that shown in the in the figure.The stud minimum end distance is 6"when figure,use the table values multiplied by:0.50 for two-screw loaded toward the end and 21/z"when loaded away from the connections,0.67 for three-screw connections,and 0.75 for end.The ledger end distance is 6"for full values.For ledger four-screw connections. end distances between 2"and 6",use 50%of the table bads. For end distances between 2"and 4",predrill using a Y�"bit for SDWS. 2x atud 2x stud 2x stud 2x6ledger A 2x8ledger 2x101edger T o� 17/16 17/16' 1�/I6' U F m 31/2 j' 2 s/s" 27/w e Co T t ' 27/16' E /is" 2 � Load T � direction L 16 v� Load o direction Load LL &echon