Proper Florida Roof Nailing 8d

An 8d nail 2 5 inches long is the minimum size nail to use for fastening sheathing panels.

Proper florida roof nailing 8d.

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. 8d ring shank nails should be used instead. 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.

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. All sheathing must be nailed with ring shank 8d nails at 6 inches o c. 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.

Screws can be used for even greater withdrawal strength but should be sized by the building designer. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails. In high wind areas more fasteners may be required.

Full round heads are recommended to avoid head pull through. Sawn lumber or wood plank decking secured with smaller fasteners than 8d. Sheathing should be a minimum of 19 32 inch thick. The specific nailing requirements are contained in the following chart.

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.