Structural · S-F66PH

Typical Plywood Diaphragm Blocking Detail

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Elements

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Wood-framed floors and roofs feature typical plywood sheathing edge blocking and joint configurations. Plywood panels meet over framing members with a one-sixteenth inch gap at joints and are secured with edge nailing at a three-eighths inch margin from the panel edge. Two-by-three flat edge blocking fits between studs or joists, secured at each end with two ten-penny toenails. Alternatively, full-depth solid lumber blocking matching the joist or stud depth is permitted when properly aligned with the plywood edges.

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