Nailing Pattern For Osb Roof Sheathing

Generally you ll need to place two nails at each location where it makes contact with a roof truss.

Nailing pattern for osb roof sheathing.

Slats of wood used for roof sheathing are lumber boards with face widths ranging from 4 to 12 inches. For slats featuring face widths of 12 inches you will space three nails evenly apart about every 3 inches. 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. Attaching plywood and osb sheathing.

If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails. Ommended that deformed shank nails be used throughout the entire roof. 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. 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.

And scroll down to see more details on each with installation hints and tips below. Screws can be used for typical layout of roof sheathing panels on gable end roof typical layout of roof sheathing panels on hip roof. Wet and dry specimens of plywood and osb panels. Allow for expansion osb panels can swell slightly so leave a 1 8 inch gap between.

Recommendations were developed through engineering analysis and by full scale laboratory testing. These schedules were calculated to provide resistance to wind uplift pressure as required by most codes. Ventilate the roof according to current building codes step 3. Cover sheathing with.

Nailing schedules for wood structural panel roof sheathing plywood and oriented strand board osb. 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. 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. There are numerous advantages to using continuously sheathed plywood or osb walls as a nail base for brick ties siding and trim.

Intermediate panel supports in zone 1 6 inches on center in zone 2 and 4 inches on center in zone 3. 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.