A typical metal roof overhang may be 2 to 4 inches or even less.
How far should shingle hang over gutter.
See overshooting gutters just below we illustrate shingles installed with too much overhang into the gutter.
Here phil explains how much overhang a roof should have at the gutter.
The shingles should overhang into the gutter at least 1 in most cases.
If you extend the shingle another inch that would be way too much.
Nail high up on the drip edge so that the shingles will cover the nails.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
You run a drip edge which has a 3 quarter to one inch edge on it over the gutter then mark on the panel each side 3quarters cut the mark you left with a edge the width of the pan three quarters long take your tongs or panel turner turn it under then slide the panel onto the drip edge thats hanging that 3quarters or inch over the gutter till the turned edge of the panel wraps around the edge of the drip and theres your overhang a nice uniform rounded end.
Install drip edges on the eaves first.
When you place the next drip edge piece it should overlap the first by an inch.
The brackets typically hold the gutter about 1 2 1 inch away from the fascia board if u type brackets otherwise if screw through type the gutter might be almost up to the fascia board.
Ideally you d nail about every 12 inches and in no circumstances should you have 16 inches or more between nails.
The back edge of the gutter should tuck up behind the dripedge if you have it otherwise the edge of the shingles should extend well over the back half of the gutter so the drips cannot get behind it and rot the fascia board.
The edge of a roof in professional vernacular is called the rake edge.
You trade one problem cleaning the gutters for another foundation leaks and landscape wash out.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
The bottom tile or slate of the roof covering should project at least half way into the gutter the ideal distance is between half way and two thirds of the way over.
How far into the gutter should roof tiles project.
Longer overlaps of asphalt shingles past the drip edge will hang over into the gutter will send roof runoff off of the roof rather than into the gutter and will eventually crack break and look gross.
Rschneider november 19 2014 9 14pm 15.
I have very little faith in most gutter guards.
If im not mistaken the drip extends from the roof about 3 4 of an inch to 1 inch.
With that style of drip edge i was always told 1 4 inch any more willhave toubles with the gutter.