Nailing Pattern For Osb Roof Sheathing

Nailing schedules for wood structural panel roof sheathing plywood and oriented strand board osb.

Nailing pattern for osb roof sheathing.

And scroll down to see more details on each with installation hints and tips below. Intermediate panel supports in zone 1 6 inches on center in zone 2 and 4 inches on center in zone 3. Allow for expansion osb panels can swell slightly so leave a 1 8 inch gap between. If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails.

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. Ommended that deformed shank nails be used throughout the entire roof. Cover sheathing with. 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.

Screws can be used for typical layout of roof sheathing panels on gable end roof typical layout of roof sheathing panels on hip roof. These schedules were calculated to provide resistance to wind uplift pressure as required by most codes. Tab shingles need two nails on each side of the tab drywall ceiling boards require 1 drywall screws every 6 8 while wall boards require drywall screws every 6 8 on the seams and 10 12 in the field. Ventilate the roof according to current building codes step 3.

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. 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. Properly fasten panels including fastening and spacing hints step 4.

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. Attaching plywood and osb sheathing. For slats featuring face widths of 12 inches you will space three nails evenly apart about every 3 inches. 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.

Check the nailing surface is level step 2. Slats of wood used for roof sheathing are lumber boards with face widths ranging from 4 to 12 inches.