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SpaceJoist Design Guide

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FLOOR APPLICATIONS LOAD BEARING WALL ABOVE MUST STACK OVER WALL BELOW. RIM BOARD IF WALL ABOVE IS NON-LOAD BEARING, NO SQUASH BLOCKS ARE NEEDED. 1/16" 2x4 MINIMUM SQUASH BLOCKS 1 3/4" MIN. BEARING BLOCKING PANELS MAY BE REQUIRED WITH SHEAR WALLS ABOVE OR BELOW. Interior Bearing with Squash Blocks - Detail B End Bearing Transfer - Detail A ALIGN LOAD BEARING WALL ABOVE OVER LOAD BEARING WALL BELOW LOAD BEARING WALL ABOVE MUST STACK OVER WALL BELOW. IF WALL ABOVE IS NON-LOAD BEARING, NO SQUASH BLOCKS ARE NEEDED. BLOCKING PANEL 1/16" REFER TO RIM BOARD LOAD TRANSFER CHART ON PAGE 18. 2x4 MINIMUM SQUASH BLOCKS BLOCKING PANELS MAY BE REQUIRED WITH SHEAR WALLS ABOVE OR BELOW. Interior Bearing with Blocking Panel - Detail C Overlap - Detail D LOAD BLOCK LENGTH EQUALS TRUSS DEPTH +1/16" 3/4" X 48" PLYWOOD REINFORCEMENT ON ONE OR BOTH SIDES SEE CHART ON PAGE 9. RIM BOARD BLOCKING PANEL 24" MAX CANTILEVER SOLID BLOCK ALL POSTS FROM ABOVE TO BEARING BELOW ATTACH REINFORCEMENT TO TOP AND BOTTOM CHORDS WITH 8d NAILS AT 6" O.C. STAGGER NAILS TO AVOID SPLITTING. Load Bearing Cantilever - Detail F Load Transfer - Detail E USE A RIM BOARD 2x_ SCABS NAILED TO ONE SIDE OF THE SPACEJOIST TE. NAIL TOP AND BOTTOM CHORDS WITH 10d NAILS AT 6" O.C. USE A RIM BOARD APPLY 3/4" PLYWOOD REINFORCEMENT TO ONE SIDE OF TRUSS. ATTACH TO TOP AND BOTTOM CHORD WITH 8d NAILS AT 6" O.C. 48" 1-1/2 TIMES CANTILEVER LENGTH 6 Non-Load Bearing Cantilever Using 2x_- Detail G-1 MAX. CANTILEVER (UNIFORM LOADS ONLY) 48" 1-1/2 TIMES CANTILEVER LENGTH MAX. CANTILEVER (UNIFORM LOADS ONLY) 2x_ NAILED TO ONE SIDE OF THE SPACEJOIST TE. NAIL 2x_ TO THE TE USING TWO (2) ROWS OF 10d NAILS AT 6" O.C. Drop Balcony with Cantilever - Detail G-2

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