The length of the overhang itself commonly ranges from 2 to 5 inches.
How much does roof sheathing overhang on side.
The roof s sheathing helps to keep the roof trusses or rafters properly spaced.
Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses.
This profile of drip edge is shaped like a t with a lower flange at the bottom.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
Overhangs can vary from a few inches to a few feet depending on preference.
Roof drip edges are generally sold in 10 5 foot lengths but they are occasionally sold in 8 foot lengths or smaller.
You can measure the overhang s edge if you d like but it should be pretty easy to make an educated guess just by doubling the length of the wall underneath the roof.
How to install roof sheathing.
Roof sheathing is a lot more than just flat panels onto which shingles are attached.
Drip edge flashing is roughly 1 2 per 1 foot 30 cm.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
Not shown will be secured to the fascia board yellow with the gutter high end up tight against the under side of the furring strip.
I note that was an easier job.
This indicates the upper edge of the first row of roof sheathing leaving enough overhang that the subfascia and fascia will tuck neatly underneath when the time comes.
A typical metal roof overhang may be 2 to 4 inches or even less.
That said overhangs can extend as far as 2 without the need for external supports.