Roof Sheathing Nail Spacing

Staples have been found by both engineering testing and hurricane experience to not hold.

Roof sheathing nail spacing.

If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails. Check the nailing surface is level step 2. Fasten panels with a minimum of. To assure best performance follow these panel spacing and nailing recommendations for apa rated sheathing apa rated sturd i floor and apa rated siding.

There are typically 12 16 or. Holes drilled in roof sheathing for ventilation roof diaphragm action is maintained. The type of nails you ll need to use during the sheathing process depends on the roof material thickness. For clarity sheathing nails are not shown ladder framing at gable ends.

Properly fasten panels including fastening and spacing hints step 4. Ventilate the roof according to current building codes step 3. Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

And scroll down to see more details on each with installation hints and tips below. How many nails per board in roof sheathing. Note however that minimum 8d nails 0 131 x 2 1 2 inches are recom mendedfor all panels 5 8 inch thick or less. Roof truss spacing will vary on the structure s construction.

Sheathing should be a minimum of 19 32 inch thick. Click to expand contents. For wood panel sheathing plywood or oriented strand board osb nail sizes and nail spacing commonly used particularly along trusses and rafters in the middle of the panels have been inadequate to provide the needed resistance to uplift in hurricanes. Ommended that deformed shank nails be used throughout the entire roof.

Screws can be used for typical layout of roof sheathing panels on gable end roof typical layout of roof sheathing panels on hip roof. Click to expand contents. Use a 10d box nail to gauge 1 8 inch spacing between panels. The typical thickness range for sheathing is 3 8 to 3 4 inch.

Never attach roof sheathing with staples. As such the nailing schedule is typically the familiar 6 inches on center at supported panel edges including gable end walls and 12 inches on center over intermediate panel sup ports. Spacer type panel edge clips may also be used for roof sheathing applications. Always check for level nailing surface.

Provide roof ventilation according to building codes see hints below and figure 2. Cover sheathing with. 8d ring shank nails should be used instead.