Florida Roof Sheathing Thickness

Span ratings and panel thickness highlighted in the table shall not.

Florida roof sheathing thickness.

Severe weather 23 32 cat ps1 09 square structural pressure treated southern yellow pine sheathing application as 4 x 8. The cap nail shank shall be not less than 0 083 inch for ring shank cap nails and 0 091 inch for smooth shank cap nails. Minimum thickness of the outside edge of plastic caps shall be 0 035 inch. Roof coverings installed on low slope roofs roof slope 2 12 in accordance with section 1507 shall resist impact damage based on the results of tests conducted in accordance with astm d3746 astm d4272 cgsb 37 gp 52m or the resistance to foot traffic test in section 5 5 of fm 4470.

The typical thickness range for sheathing is 3 8 to 3 4 inch. For pricing and availability. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Never attach roof sheathing with staples.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Cap nail shank shall have a length sufficient to penetrate through the roof sheathing or not less than 3 4 inch into the roof sheathing. All structural metal roofing systems having a thickness equal to or greater than 22 gage and all. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

Minimum roof sheathing thickness excerpt roof sheathing thickness rafter truss spacing 24 in. Sheathing should be a minimum of 19 32 inch thick. 15 32 cat ps1 09 square structural douglas fir sheathing application as 4 x 8. 18 roof sheathing installation home builder s guide to coastal construction 08 05 page 2 of 3 recommended that deformed shank nails be used throughout the entire roof.

If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails. Wood structural panel for spans 16 inches or more on center in wind speed regions of 110 140mph exposure b. 140 wind speed mph 150 mph 160 mph minimum sheathing thickness inches exposure b 7 16 24 16 15 32 32 16 19 32 40 20 minimum sheathing thickness inches panel span rating exposure c 19 32from asce 7 40 20 19 32 40 20 19 32 40 20.