The roof overhang will be 36 inches at the eaves measured horizontally and 36 inches at the gable ends.
Normal roof overhang.
Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports.
A typical metal roof overhang may be 2 to 4 inches or even less.
Ways to frame the roof overhang framing the roof overhang is basically in line with the style and shape of your flooring.
This will protect a roof from most types of damage.
An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building.
They also help to frame windows on upper stories.
There is a certain logic in extending the gable overhang further the higher you get as you mention but that complicates the roof and i don t like the look of it.
That is their functional purpose.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
However there is also an architectural purpose to them.
Additionally forming this needs to pay attention to the edge of your roof.