Boise Cascade - Simpson Strong-Tie

TECHNICAL BULLETINITB - TIMBER TO TIMBER - BACKER FREESTANDARD INSTALLATION DETAILSPage 3 of 41Position the ITB hanger onto theface of the supporting I-joist,ensuring the bottom flanges aretight up against the underside ofthe bottom chord.SUPPORTINGI-JOISTBOTTOMFLANGESITB HANGER2Fill all face round and obroundholes with 3.75 x 30mm squaretwist nails.Flatten the open top flanges tothe top chord of the supportingI-joist and fill round holes with3.75 x 30mm nails.SUPPORTINGI-JOISTFILL ALL ROUND ANDOBROUND HOLES WITH3.75 x 30mm NAILSInstall 3.75 x 30mm nails intothe holes within the bottomflanges.3Sit the carried joist into the ITBhanger and install 3.75 x 30mmnails through the angled PANnail holes into the joist.SUPPORTINGI-JOISTPAN NAILHOLESCARRIEDI-JOISTTypical ITB Installation01827 255 600www.strongtie.co.uk© 2008Simpson Strong Tie Inc.T-UK-ITB-BOISE 09/08exp.01/2010