Proper Florida Roof Nailing 8d

If it was originally secured using staples or 6d nails it must be completely re nailed to the new standard.

Proper florida roof nailing 8d. 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. The typical thickness range for sheathing is 3 8 to 3 4 inch. All sheathing must be nailed with ring shank 8d nails at 6 inches o c. 8d ring shank nails should be used instead.

Sawn lumber or wood plank decking secured with smaller fasteners than 8d. The specific nailing requirements are contained in the following chart. Full round heads are recommended to avoid head pull through. 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.

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. At intermediate supports fasten panels 12 inches on center. If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails. 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. The 2004 edition of florida s building code has a new nailing requirement for residential pitched roofs. Sheathing should be a minimum of 19 32 inch thick. An 8d nail 2 5 inches long is the minimum size nail to use for fastening sheathing panels.

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. 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.