Two feet is the general maximum length for a typical roof overhang.
Roofing 2 overhang.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports.
This nominal square footage amount is then multiplied by a factor associated with the roof s pitch.
The roof overhang is too wide the roof overhang does not extend far enough.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
Gable end detail overhang cut and then rebuilt to hide the thickness of the over roofing rigid insulation.
This will protect a roof from most types of damage.
Roof slope is expressed as the ratio of a roof s rise vertical distance to each foot of run.
A typical metal roof overhang may be 2 to 4 inches or even less.
If you are.
It has a 1 4 pitch.
That makes the roof s span 40 feet.
The 6 inches of rigid insulation added to the top of the existing roof deck needed to be done in a manner that was invisible.
A rake is an overhang located on the gable end of your roof.
Knowledgeable roofers will install shingles at just the right overhang for your roof type.
A rake overhang is created by extending the roof beyond the gables of your shed.
An eave overhang is located on the longer sides of the shed.
An eave is created by extending the slope of your roof beyond the walls of your shed.
There are two common problems encountered with roof overhangs.
Say your house is 38 feet wide and the gable roof has a 1 foot overhang on each side.
Figure 10 40 and reduce that to 1 4.
The edge of the shingles should hang over the edge of the roof between an inch and an inch and a half or between a half inch and three quarters of an inch if drip edge flashing is installed and in most cases it should be.
As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house.
Measure your house at ground level then add in the roof s overhang for greater accuracy.
From the eaves to the peak it s 10 feet high that s the rise.
You may want one or the other or both.
Remove the drip edge and the facia trim.
Set up scaffolding.
Now comes the really really big point.
Follow safe working procedure falling.
