Roof Sheathing Nail Spacing

8d ring shank nails should be used instead.

Roof sheathing nail spacing.

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. Staples have been found by both engineering testing and hurricane experience to not hold. The type of nails you ll need to use during the sheathing process depends on the roof material thickness. Ommended that deformed shank nails be used throughout the entire roof.

If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails. Nail spacing is recommended 4 inches on center maximum. Fasten panels with a minimum of. Click to expand contents.

Proper installation of apa rated sheathing for roof applications step 1. Sheathing should be a minimum of 19 32 inch thick. 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. Screws can be used for typical layout of roof sheathing panels on gable end roof typical layout of roof sheathing panels on hip roof.

Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing. The typical thickness range for sheathing is 3 8 to 3 4 inch. There are typically 12 16 or. Use a 10d box nail to gauge 1 8 inch spacing between panels.

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. To assure best performance follow these panel spacing and nailing recommendations for apa rated sheathing apa rated sturd i floor and apa rated siding. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. For clarity sheathing nails are not shown ladder framing at gable ends.

Spacer type panel edge clips may also be used for roof sheathing applications. Provide roof ventilation according to building codes see hints below and figure 2. Cover sheathing with. How many nails per board in roof sheathing.

Ventilate the roof according to current building codes step 3. Click to expand contents. Holes drilled in roof sheathing for ventilation roof diaphragm action is maintained. And scroll down to see more details on each with installation hints and tips below.

Check the nailing surface is level step 2. Properly fasten panels including fastening and spacing hints step 4. Note however that minimum 8d nails 0 131 x 2 1 2 inches are recom mendedfor all panels 5 8 inch thick or less.