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// CODE SNIPPET

R905.7.6 Attachment for Vasd, as Determined in Accordance With Section R301.2.1.3, Greater Than 100 mph

2014 FBC - Residential, 5th edition > 9 Roof Assemblies > R905 Requirements for Roof Coverings > R905.7 Wood Shingles > R905.7.6 Attachment for Vasd, as Determined in Accordance With Section R301.2.1.3, Greater Than 100 mph
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Wood shingles installed in accordance with Table R905.7.5 and the requirements of R905.7.6 have an allowable uplift resistance of 45 psf. The installation of wood shingles shall be limited to roofs where the allowable uplift resistance is equal to or greater than the design uplift pressure for the roof listed in Table R301.2(2).

R905.7.6.1 Fasteners. R905.7.6.1.1 Nails.
Nails to attach the wood shakes shall be 3d stainless-steel ring-shank nails. The nails shall have sufficient length to penetrate through the wood shakes and shall penetrate through the sheathing. R905.7.6.1.2 Screws.
Screws to attach the battens to the framing shall be No. 8 by 21/2 inches (64 mm) long corrosion resistant wood screws. Wood screws shall be corrosion resistant screws conforming to ANSI/ASME B18.6.1. The corrosion resistance shall meet ASTM A 641, Class 1 or an equal corrosion resistance by coating, electrogalvanization, mechanical galvanization, stainless steel, nonferrous metal or other suitable corrosion-resistant material. R905.7.6.1.3 Wood battens.
1 × 4 wood battens shall be attached to the wood joists with 2 screws per joist. The first batten shall be located 6 inches (152 mm) from the outer edge of the wood joist. Second batten shall be spaced 11/4 inches (32 mm) from the first batten. The remaining battens shall be spaced a maximum 2 inches (51 mm) apart, except the last one which shall be spaced no greater than 3/4 inches (19 mm) from the previous batten. R905.7.6.1.4 Shingles.
Shingles shall be attached to the battens with 2 nails for each shingle placed 11/2 inches (38 mm) above the exposure line. The nails shall be 3/4 to 1 inch (19 to 25 mm) from the shingle edges.

Related Code Sections


R905.7.6 Roof Assemblies, Attachment for Vasd, as Determined in Accordance With Section R301.2.1.3, Greater Than 100 mph
installation of wood shingles shall be limited to roofs where the allowable uplift resistance is equal to or greater than the design uplift pressure ...
2014 FBC - Residential, 5th edition > 9 Roof Assemblies > R905 Requirements for Roof Coverings > R905.7 Wood Shingles > R905.7.6 Attachment for Vasd, as Determined in Accordance With Section R301.2.1.3, Greater Than 100 mph
R905.2.6 Roof Assemblies, Attachment
classified as ASTM D3161 Class D or classified as ASTM D7158 Class G are acceptable for use where Vasd is equal to or less than 100 mph. Shingles classified ...
2017 FBC - Residential, 6th edition > 9 Roof Assemblies > R905 Requirements for Roof Coverings > R905.2 Asphalt Shingles > R905.2.6 Attachment
R301.2.1.3 Building Planning, Wind Speed Conversion
R301.2.1.3. TABLE R301.2.1.3 WIND SPEED CONVERSIONS a, b, c V ult 100 110 120 130 140 150 160 170 180 190 200 V asd 78 85 ...
2014 FBC - Residential, 5th edition > 3 Building Planning > R301 Design Criteria > R301.2 Climatic and Geographic Design Criteria > R301.2.1 Wind Design Criteria > R301.2.1.3 Wind Speed Conversion
R301.2.1.3 Building Planning, Wind Speed Conversion
, using Table R301.2.1.3. TABLE R301.2.1.3 WIND SPEED CONVERSIONS a V ult 110 115 120 130 140 150 160 170 180 190 200 V ...
2017 FBC - Residential, 6th edition > 3 Building Planning > R301 Design Criteria > R301.2 Climatic and Geographic Design Criteria > R301.2.1 Wind Design Criteria > R301.2.1.3 Wind Speed Conversion
R301.2.1.3 Building Planning, Wind Speed Conversion
, using Table R301.2.1.3. TABLE R301.2.1.3 WIND SPEED CONVERSIONS ...
2020 FBC - Residential, 7th edition > 3 Building Planning > R301 Design Criteria > R301.2 Climatic and Geographic Design Criteria > R301.2.1 Wind Design Criteria > R301.2.1.3 Wind Speed Conversion
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