Eaves form the overhang to distribute water clear of the walls.
Normal roof overhang.
That is their functional purpose.
The roof overhang will be 36 inches at the eaves measured horizontally and 36 inches at the gable ends.
Ways to frame the roof overhang framing the roof overhang is basically in line with the style and shape of your flooring.
A typical metal roof overhang may be 2 to 4 inches or even less.
Two feet is the general maximum length for a typical roof 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.
An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building.
However there is also an architectural purpose to them.
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.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
Additionally forming this needs to pay attention to the edge of your roof.
They also help to frame windows on upper stories.