Having both an overhang and gutters would be ideal.
Overhang roof to gutter.
Gutter leaks usually start at rusty spots or seams that have opened up because of expansion and contraction.
In this video we demonstrate how to install a gutter for a shed metal roof or house.
We ve seen other references that suggest extending the shingles a bit more than the manufacturers suggest to compensate for wavy eaves but they do not.
Do you have edge metal.
Roof drip edges are generally sold in 10 5 foot lengths but they are occasionally sold in 8 foot lengths or smaller.
A typical metal roof overhang may be 2 to 4 inches or even less.
Not good to start off with a new roof and gutters with this problem built in.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
The length of the overhang itself commonly ranges from 2 to 5 inches.
In fact in most places i was unable to get my fingers never mind my hand into the guttering to clear it.
Shingle manufacturers say to use a 1 4 to 3 8 inch shingle overhang over the eave where your roof ends.
A roof made from a corrugated metal panel type product will be less expensive for a diy project but will have much more opportunities for leaks.
And what is the pitch.
It ultimately depends on a couple things.
There is a thing called wicking that if on a low enough slope will run up the underside of roofing and possible go up enough to get behind facia so usually wi.
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 may be the best thing that can happen for a mobile home roof but the cost of the re roof has to be weighed against the benefit.
If your gutter is still basically sound the easiest way to stop the leak is by covering the damaged area with roof and gutter repair tape available at home centers and hardware stores.