Properly fasten panels including fastening and spacing hints step 4.
Roof plywood nailing pattern.
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.
Cover sheathing with.
Ventilate the roof according to current building codes step 3.
You must check before you nail.
Slats of wood used for roof sheathing are lumber boards with face widths ranging from 4 to 12 inches.
The nailing pattern that is used is also very critical.
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.
And scroll down to see more details on each with installation hints and tips below.
Not all plywood applications require the same size nail or spacing between nails.
If you ve ever installed shingles plywood headers or drywall you probably already know all about nailing patterns.
Check the nailing surface is level step 2.
Note however that minimum 8d nails 0 131 x 2 1 2 inches are recom mendedfor all panels 5 8 inch thick or less.
Generally you ll need to place two nails at each location where it makes contact with a roof truss.
To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves.