Plywood Roof Sheathing Installation

Installing the plywood sheets.

Plywood roof sheathing installation.

For best appearance use heavier weight shingles or laminated or textured shingles. Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors. Position the first piece of plywood. Make sure to leave a 2 3 mm gap between boards.

Install shingles according to manufacturer s recommendations. Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each. Cover sheathing with. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm.

This video shows how some roofs fail under heavy winds in uplift situations. How to correctly install plywood or osb roof sheathing. Choose an exterior c d grade. The plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss.

Cut each rafter tail on the chalk line with a circular saw to ensure that every rafter is the same length. Thickness will range from 3 8 to 3 4 inch depending upon local code. Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings. How to install roof sheathing 1.

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. Common roof sheathing applications and installation recommendations are described in the related publications listed at right. The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane.

This will provide time for roof sheathing to adjust to humidity and moisture conditions. Use a staggered pattern when building up rows of plywood sheets. Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. Check the nailing surface is level step 2.

Plywood is layers of wood plywood is made. And scroll down to see more details on each with installation hints and tips below.