Nailing Pattern For Osb Roof Sheathing

These schedules were calculated to provide resistance to wind uplift pressure as required by most codes.

Nailing pattern for osb roof sheathing.

Nailing schedules for wood structural panel roof sheathing plywood and oriented strand board osb. Ommended that deformed shank nails be used throughout the entire roof. 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. Generally you ll need to place two nails at each location where it makes contact with a roof truss.

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. Intermediate panel supports in zone 1 6 inches on center in zone 2 and 4 inches on center in zone 3. For slats featuring face widths of 12 inches you will space three nails evenly apart about every 3 inches. Properly fasten panels including fastening and spacing hints step 4.

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. Allow for expansion osb panels can swell slightly so leave a 1 8 inch gap between. Ventilate the roof according to current building codes step 3.

Continuous sheathing sheathing all exterior walls with wood structural panels including above and below openings and gable ends is a practical and effective way to meet the code at an affordable cost. There are numerous advantages to using continuously sheathed plywood or osb walls as a nail base for brick ties siding and trim. Wet and dry specimens of plywood and osb panels. Some brands of osb come with nailing patterns which make it simple to hit the studs when nailing in the plane.

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. And scroll down to see more details on each with installation hints and tips below. Attaching plywood and osb sheathing. Screws can be used for typical layout of roof sheathing panels on gable end roof typical layout of roof sheathing panels on hip roof.

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. Slats of wood used for roof sheathing are lumber boards with face widths ranging from 4 to 12 inches.