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// CODE SNIPPET

R803.2.3.1 Sheathing Fastenings

2017 FBC - Residential, 6th edition > 8 Roof-Ceiling Construction > R803 Roof Sheathing > R803.2 Wood Structural Panel Sheathing > R803.2.3 Installation > R803.2.3.1 Sheathing Fastenings
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Wood structural panel sheathing shall be fastened to roof framing with RSRS-01 (2 3/8" × 0.113") nails at 6 inches (152 mm) on center at edges and 6 inches (152 mm) on center at intermediate framing, unless roof diaphragm design requires a closer spacing. RSRS-01 is ring shank roof sheathing nail meeting the specifications in ASTM F1667.

Where roof framing with a specific gravity, 0.42 ≤ G < 0.49 is used, spacing of ring-shank fasteners shall be 4 inches on center in nailing zone 3 in accordance with Figure R803.2.3.1 where Vult is 165 mph or greater.

Exceptions:

  1. Where roof framing with a specific gravity, 0.42 ≤ G < 0.49 is used, spacing of ring-shank fasteners shall be permitted at 12 inches (305 mm) on center at intermediate framing in nailing zone 1 for any Vult and in nailing zone 2 for Vult less than or equal to 140 mph in accordance with Figure R803.2.3.1.
  2. Where roof framing with a specific gravity, G = 0.49 is used, spacing of ring-shank fasteners shall be permitted at 12 inches (305 mm) on center at intermediate framing in nailing zone 1 for any Vult and in nailing zone 2 for Vult less than or equal to 150 mph in accordance with Figure R803.2.3.1.
  3. Where roof framing with a specific gravity, G = 0.49 is used, 8d common or 8d hot-dipped galvanized box nails at 6 inches (152 mm) on center at edges and 6 inches (152 mm) on center at intermediate framing shall be permitted for Vult less than or equal to 130 mph in accordance with Figure R803.2.3.1.

For SI: 1 inch = 25.4 mm.

FIGURE R803.2.3.1

ROOF SHEATHING NAILING ZONES

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Wood structural panel sheathing shall be fastened to roof framing with RSRS-01 (2 3 / 8 " × 0.113") nails at 6 inches (152 mm) on center at edges ...
2017 FBC - Residential, 6th edition > 8 Roof-Ceiling Construction > R803 Roof Sheathing > R803.2 Wood Structural Panel Sheathing > R803.2.3 Installation > R803.2.3.1 Sheathing Fastenings
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Wood structural panel sheathing shall be fastened to roof framing with 8d annular ring-shank nails at 6 inches (152 mm) on center at edges and 6 ...
2014 FBC - Residential, 5th edition > 8 Roof-Ceiling Construction > R803 Roof Sheathing > R803.2 Wood Structural Panel Sheathing > R803.2.3 Installation > R803.2.3.1 Sheathing Fastenings
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