How To Install New Roof Sheathing

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

How to install new roof sheathing.

Hammer down any large nails that are exposed by the removal. Check the nailing surface is level step 2. Cut each rafter tail on the chalk line with a circular saw to ensure that every rafter is the same length. When ordering the sheathing divide the total number of square feet of roof surface by 32 square feet a 4 x 8 panel and add an extra 15 for waste.

Install a layer of roofing insulation as recommended by the roofing manufacturer. An air compressor with a nail gun will come in handy for nailing large flat areas like this. We go in depth on how to install roof sheathing. Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.

Position the first piece of plywood. This indicates the truss tails extending past the walls. Cover sheathing with. How to install roof sheathing 1.

How to correctly install plywood or osb roof sheathing. Ventilate the roof according to current building codes step 3. Choose an exterior c d grade. Then we re going to use a scrap of 2x4 to space off the square and strike a line there.

And scroll down to see more details on each with installation hints and tips below. Inspect the underlying roof sheathing for damage and make any needed repairs. To figure out for the sheathing snap line swing the square over to the pitch of the roof in this case it is a six pitch and strike a line right there. Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg.

Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each. Installing the plywood sheets the plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss.