Sheathing should be a minimum of 19 32 inch thick.
Roof sheathing nail spacing.
Check the nailing surface is level step 2.
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.
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.
There are typically 12 16 or.
Note however that minimum 8d nails 0 131 x 2 1 2 inches are recom mendedfor all panels 5 8 inch thick or less.
If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
Holes drilled in roof sheathing for ventilation roof diaphragm action is maintained.
How many nails per board in roof sheathing.
Use a 10d box nail to gauge 1 8 inch spacing between panels.
Proper installation of apa rated sheathing for roof applications step 1.
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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 clarity sheathing nails are not shown ladder framing at gable ends.
Ommended that deformed shank nails be used throughout the entire roof.
Roof truss spacing will vary on the structure s construction.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
Cover sheathing with.
Fasten panels with a minimum of.
Properly fasten panels including fastening and spacing hints step 4.
Ventilate the roof according to current building codes step 3.
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.
8d ring shank nails should be used instead.
Nail spacing is recommended 4 inches on center maximum.
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And scroll down to see more details on each with installation hints and tips below.
Provide roof ventilation according to building codes see hints below and figure 2.
Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.
Spacer type panel edge clips may also be used for roof sheathing applications.
Staples have been found by both engineering testing and hurricane experience to not hold.
