Nailing Pattern For Osb Roof Sheathing

For the 150 mph wind speed region the fastening schedule prescribes nailing at 6 inches on center at supported panel edges and over intermediate panel sup ports in zone 1 4 inches on center in zone 2 and 3 inches on center in zone 3.

Nailing pattern for osb roof sheathing.

Allow for expansion osb panels can swell slightly so leave a 1 8 inch gap between. Attaching plywood and osb sheathing. There are numerous advantages to using continuously sheathed plywood or osb walls as a nail base for brick ties siding and trim. These schedules were calculated to provide resistance to wind uplift pressure as required by most codes.

Generally you ll need to place two nails at each location where it makes contact with a roof truss. Some brands of osb come with nailing patterns which make it simple to hit the studs when nailing in the plane. Properly fasten panels including fastening and spacing hints step 4. Roofing nails should be long enough to penetrate the roofing material and go 19 mm into osb solid wood plywood or non veneer wood decking or through thickness of decking whichever is less.

Check the nailing surface is level step 2. Wet and dry specimens of plywood and osb panels. Intermediate panel supports in zone 1 6 inches on center in zone 2 and 4 inches on center in zone 3. And scroll down to see more details on each with installation hints and tips below.

Roof and wall sheathing 8 10d every 4 6 on the seams and 8 12 in the field shingles six roofing nails or staples per shingle. 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. To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves sidewalls and valleys etc.

Recommendations were developed through engineering analysis and by full scale laboratory testing. Screws can be used for typical layout of roof sheathing panels on gable end roof typical layout of roof sheathing panels on hip roof. Nailing schedules for wood structural panel roof sheathing plywood and oriented strand board osb. Ventilate the roof according to current building codes step 3.

For slats featuring face widths of 12 inches you will space three nails evenly apart about every 3 inches. Cover sheathing with.