UpCodes logo
Go To Full Code Chapter
Where the ultimate design wind speed does not exceed 115 miles per hour (51 m/s), the exposure category is B and gypsum board, gypsum panel product or equivalent is installed on the side of the wall opposite the foam plastic sheathing, the minimum siding fastener penetration into wood framing shall be 11/4 inches (32 mm) using minimum 0.120-inch-diameter (3 mm) nail (shank) with a minimum 0.313-inch-diameter head, 16 inches (406 mm) on center. The foam plastic sheathing shall be minimum 1/2-inch-thick (12.7 mm) (nominal) extruded polystyrene in accordance with ASTM C578, 1/2-inch-thick (12.7 mm) (nominal) polyisocyanurate in accordance with ASTM C1289 or 1-inch-thick (25 mm) (nominal) expanded polystyrene in accordance with ASTM C578.
Upcodes Diagrams

Related Code Sections

2308.2.4 Wood, Basic Wind Speed
V shall not exceed 130 miles per hour (57 m/s) (3-second gust). Exceptions: V shall not exceed 140 mph (61.6 m/s) (3-second gust) for buildings ...
1609.3 Structural Design, Basic Design Wind Speed
Notes: Values are nominal design 3-second gust wind speeds in miles per hour (m/s) at 33 ft (10m) above ground for Exposure C Category ...
1504.8 Roof Assemblies and Rooftop Structures, Aggregate
on the exposure category and basic wind speed at the site. TABLE 1504.8 MAXIMUM ALLOWABLE MEAN ROOF HEIGHT PERMITTED FOR BUILDINGS WITH AGGREGATE ...