Two nailing patterns for interior panel joints and perimeter ledgers define fastener placement across nominal framing members. The four-inch nominal joint utilizes two staggered lines of nails spaced per schedule with three-eighths-inch edge margins and one-and-one-quarter-inch row spacing. The three-inch nominal joint similarly employs two lines of nails along the strap and panel edge with defined half-inch and one-inch dimensions. Panel end and edge joints require a one-eighth-inch gap, and nail spacing between parallel lines must be adjusted to maintain the minimum three-eighths-inch fastener edge margin.
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