Plywood Roof Sheathing Installation

Installing the plywood sheets.

Plywood roof sheathing installation.

Cover sheathing with. Properly fasten panels including fastening and spacing hints step 4. Choose an exterior c d grade. Use a staggered pattern when building up rows of plywood sheets.

Make sure to leave a 2 3 mm gap between boards. Thickness will range from 3 8 to 3 4 inch depending upon local code. Install shingles according to manufacturer s recommendations. If using asphalt or fiberglass shingles postpone shingle installation as long as possible.

Ventilate the roof according to current building codes step 3. Check the nailing surface is level step 2. How to install roof sheathing 1. How to correctly install plywood or osb roof sheathing.

Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply. And scroll down to see more details on each with installation hints and tips below. This will provide time for roof sheathing to adjust to humidity and moisture conditions. Keep these tips in mind when roofing in hurricane areas.

Position the first piece of plywood. For best appearance use heavier weight shingles or laminated or textured shingles. 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.

Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors. Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each. Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings. The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane.

This video shows how some roofs fail under heavy winds in uplift situations. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm.