Install a layer of roofing insulation as recommended by the roofing manufacturer.
How to install new roof sheathing.
Cover sheathing with.
Position the first piece of plywood.
Inspect the underlying roof sheathing for damage and make any needed repairs.
Hammer down any large nails that are exposed by the removal.
Installing the plywood sheets the plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss.
We go in depth on how to install roof sheathing.
And scroll down to see more details on each with installation hints and tips below.
How to install roof sheathing 1.
Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.
Make sure to leave a 2 3 mm gap between boards.
Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each.
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.
Choose an exterior c d grade.
Ventilate the roof according to current building codes step 3.
An air compressor with a nail gun will come in handy for nailing large flat areas like this.
Use a staggered pattern when building up rows of plywood sheets.
This indicates the truss tails extending past the walls.
Then we re going to use a scrap of 2x4 to space off the square and strike a line there.
Check the nailing surface is level step 2.
Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg.
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.