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