Roof Sheathing Nail Spacing

How many nails per board in roof sheathing.

Roof sheathing nail spacing.

Click to expand contents. To assure best performance follow these panel spacing and nailing recommendations for apa rated sheathing apa rated sturd i floor and apa rated siding. 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. Always check for level nailing surface.

Use a 10d box nail to gauge 1 8 inch spacing between panels. Sheathing should be a minimum of 19 32 inch thick. Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing. Cover sheathing with.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Proper installation of apa rated sheathing for roof applications step 1. Fasten panels with a minimum of. Properly fasten panels including fastening and spacing hints step 4.

Check the nailing surface is level step 2. For clarity sheathing nails are not shown ladder framing at gable ends. 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.

The type of nails you ll need to use during the sheathing process depends on the roof material thickness. Nail spacing is recommended 4 inches on center maximum. If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails. Spacer type panel edge clips may also be used for roof sheathing applications.

Boards for the floor caulking gun for 30 ounce tubes of adhesive afg 01 rated adhesive in 30 ounce tubes cleaning supplies such as rags and paint thinner fan and or light utility knife and long screwdriver to open tubes safety items including glasses or goggles and a bicycle helmet or hardhat. 8d ring shank nails should be used instead. 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 sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

There are typically 12 16 or. Click to expand contents. And scroll down to see more details on each with installation hints and tips below. Staples have been found by both engineering testing and hurricane experience to not hold.

Screws can be used for typical layout of roof sheathing panels on gable end roof typical layout of roof sheathing panels on hip roof. Holes drilled in roof sheathing for ventilation roof diaphragm action is maintained. Roof truss spacing will vary on the structure s construction.