Plywood Roof Sheathing Installation

Thickness will range from 3 8 to 3 4 inch depending upon local code.

Plywood roof sheathing installation.

Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm. How to correctly install plywood or osb roof sheathing. Cut each rafter tail on the chalk line with a circular saw to ensure that every rafter is the same length.

For best appearance use heavier weight shingles or laminated or textured shingles. Install shingles according to manufacturer s recommendations. This will provide time for roof sheathing to adjust to humidity and moisture conditions. Installing the plywood sheets.

Position the first piece of plywood. Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each. The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane. Check the nailing surface is level step 2.

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. Choose an exterior c d grade. Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors.

Ventilate the roof according to current building codes step 3. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply. Properly fasten panels including fastening and spacing hints step 4. The plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss.

Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings. This video shows how some roofs fail under heavy winds in uplift situations. Use a staggered pattern when building up rows of plywood sheets. Make sure to leave a 2 3 mm gap between boards.

Plywood is layers of wood plywood is made. How to install roof sheathing 1.