Plywood Roof Sheathing Installation

Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks.

Plywood roof sheathing installation.

For best appearance use heavier weight shingles or laminated or textured shingles. And scroll down to see more details on each with installation hints and tips below. Keep these tips in mind when roofing in hurricane areas. Position the first piece of plywood.

Properly fasten panels including fastening and spacing hints step 4. Cover sheathing with. Install shingles according to manufacturer s recommendations. Choose an exterior c d grade.

During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply. This will provide time for roof sheathing to adjust to humidity and moisture conditions. The plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss.

This video shows how some roofs fail under heavy winds in uplift situations. Cut each rafter tail on the chalk line with a circular saw to ensure that every rafter is the same length. Plywood is layers of wood plywood is made. Use a staggered pattern when building up rows of plywood sheets.

Common roof sheathing applications and installation recommendations are described in the related publications listed at right. Make sure to leave a 2 3 mm gap between boards. How to install roof sheathing 1. Check the nailing surface is level step 2.

Installing the plywood sheets. The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane. Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each. Thickness will range from 3 8 to 3 4 inch depending upon local code.

Ventilate the roof according to current building codes step 3. Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings.