How to install roof sheathing 1.
Plywood roof sheathing installation.
Cut each rafter tail on the chalk line with a circular saw to ensure that every rafter is the same length.
Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings.
The plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss.
Choose an exterior c d grade.
Cover sheathing with.
The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane.
If using asphalt or fiberglass shingles postpone shingle installation as long as possible.
Make sure to leave a 2 3 mm gap between boards.
Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each.
And scroll down to see more details on each with installation hints and tips below.
Common roof sheathing applications and installation recommendations are described in the related publications listed at right.
Installing the plywood sheets.
Position the first piece of plywood.
Thickness will range from 3 8 to 3 4 inch depending upon local code.
Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks.
Install shingles according to manufacturer s recommendations.
This video shows how some roofs fail under heavy winds in uplift situations.
Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply.
Check the nailing surface is level step 2.
Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors.
Keep these tips in mind when roofing in hurricane areas.
Use a staggered pattern when building up rows of plywood sheets.
During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm.
For best appearance use heavier weight shingles or laminated or textured shingles.
How to correctly install plywood or osb roof sheathing.
Properly fasten panels including fastening and spacing hints step 4.