Proper Florida Roof Nailing 8d

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.

Proper florida roof nailing 8d.

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. The typical thickness range for sheathing is 3 8 to 3 4 inch. If it was originally secured using staples or 6d nails it must be completely re nailed to the new standard. 706 7 1 1 roof decking consisting of sawn lumber or wood planks up to 12 inches wide and secured with at least two nails minimum size 8d to each roof framing member it crosses shall be deemed to be sufficiently connected.

Recommended that deformed shank nails be used throughout the entire roof. 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. In high wind areas more fasteners may be required. 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.

Screws can be used for even greater withdrawal strength but should be sized by the building designer. The 2004 edition of florida s building code has a new nailing requirement for residential pitched roofs. 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.

All sheathing must be nailed with ring shank 8d nails at 6 inches o c. The specific nailing requirements are contained in the following chart. Full round heads are recommended to avoid head pull through. 8d ring shank nails should be used instead.

An 8d nail 2 5 inches long is the minimum size nail to use for fastening sheathing panels. At intermediate supports fasten panels 12 inches on center.