Most shingle manufacturers recommend a 1 4 to 3 8 inch overhang over your eave which is where your roof ends by your gutter.
Shingle overhang into gutter.
Gutters should be hung where a straight edge laying on your roof shingles can easily extend over the front lip of the gutter this is the proper installment location for the high point of the gutter.
Ed the roofer if what you say about fixing the problem cutting the edge is the proper way to do it than i m not terribly upset.
Too little can allow water to seep into rake or fascia boards.
It ultimately depends on a couple things.
Corrugated panels alternate ridges and valleys and are installed with ridges and valleys overlapped at seams.
Corrugated or standing seam.
It starts under the first course of shingles and hangs over the roof sheathing.
A gutter apron is a bent piece of flashing that tucks up under the shingles and over the gutter.
Too much overhang and the shingles could blow off in high winds.
Though metal roofing sizes can vary based on the material the panels are made from both metals are formed into two basic types of roofing panels.
For more information on this see our post on shingle overhang.
The 3 4 overhang of the shingle creates a full 1 overhang from the fascia to the edge of the shingle.
If water is dripping behind your gutter it s probably because it was installed without any flashing over the back of the gutter.
The edge of the shingles should hang over a 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.
The gutter apron will prevent the dripping.
And what is the pitch.
Home centers sell a gutter apron in 10 ft.
Do you have edge metal.
I was worried that because the edge shingle is the bottom layer fixing this would require redoing it.
In many cases and particularly as home ages and settles the roof edge at the eave edge can wave in and out by more than this amount.
Similar to a drip edge a gutter apron is a long piece of metal folded at about 120 degrees.
Metal roofing is galvanized steel or aluminum.
Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.
Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter.