Proper Florida Roof Nailing 8d

The specific nailing requirements are contained in the following chart.

Proper florida roof nailing 8d.

An 8d nail 2 5 inches long is the minimum size nail to use for fastening sheathing panels. The 8d gun nails that the roofers are using are 2 3 8 if that nail measured 2 7 8 or more it would likely be an 8d nail. Full round heads are recommended to avoid head pull through. If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Sawn lumber or wood plank decking secured with smaller fasteners than 8d. Recommended that deformed shank nails be used throughout the entire roof. The 2004 edition of florida s building code has a new nailing requirement for residential pitched roofs.

Screws can be used for even greater withdrawal strength but should be sized by the building designer. Fasten panels with a minimum of 8d common 0 131 inch by 2 1 2 inch nails spaced a maximum of 6 inches on center at supported panel ends and edges. All sheathing must be nailed with ring shank 8d nails at 6 inches o c. However generally speaking in all areas of florida if the existing roof decking is fastened with either staples or 6d nails the entire roof deck will need to be re nailed with 8d round head ring shank nails spaced no greater than 6 inches on center.

In high wind areas more fasteners may be required. The roof sheathing plywood or osb has to be be nailed with 8d eight penny ring shank round head nails at six inches on center. At intermediate supports fasten panels 12 inches on center. The typical thickness range for sheathing is 3 8 to 3 4 inch.

Sheathing should be a minimum of 19 32 inch thick. 8d ring shank nails should be used instead.