It determines how long your roof will last and how well it will protect the contents of your home.
Plywood overhang on roof.
Choosing the right type of plywood for the roof is one of the most important construction decisions that you will have to make.
There are two common problems encountered with roof overhangs.
Then we re going to use a scrap of 2x4 to space off the square and strike a line there.
This indicates the truss tails.
The roof overhang is too wide.
The exposed edges of the 3 layers of rigid insulation are no longer exposed.
In the first case the overhang is simply too big for the home.
Cover sheathing with.
Sheathing sizes osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load.
Both osb and plywood for the roof have been approved for use so it may come down to what you feel most comfortable using.
The roof overhang does not extend far enough.
Draw a full scale mockup and snap a line with fascia in kind to figure out for the sheathing snap line swing the square over to the pitch of the roof in this case it is a.
Properly fasten panels including fastening and spacing hints step 4.
Check the nailing surface is level step 2.
And scroll down to see more details on each with installation hints and tips below.
Ventilate the roof according to current building codes step 3.