Plywood Roof Sheathing Installation

Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each.

Plywood roof sheathing installation.

How to correctly install plywood or osb roof sheathing. Common roof sheathing applications and installation recommendations are described in the related publications listed at right. This video shows how some roofs fail under heavy winds in uplift situations. If using asphalt or fiberglass shingles postpone shingle installation as long as possible.

Check the nailing surface is level step 2. Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. Properly fasten panels including fastening and spacing hints step 4. This will provide time for roof sheathing to adjust to humidity and moisture conditions.

Cut each rafter tail on the chalk line with a circular saw to ensure that every rafter is the same length. The plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss. Cover sheathing with. Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings.

Make sure to leave a 2 3 mm gap between boards. Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors. Choose an exterior c d grade. Install shingles according to manufacturer s recommendations.

Installing the plywood sheets. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm. And scroll down to see more details on each with installation hints and tips below. How to install roof sheathing 1.

Use a staggered pattern when building up rows of plywood sheets. The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane. For best appearance use heavier weight shingles or laminated or textured shingles. Plywood is layers of wood plywood is made.

Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply. Position the first piece of plywood.