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.
Should metal roof overhang drip edge.
If the gutter is lower than the bottom edge of the drip edge install flashing behind the drip edge and over the back edge of the gutter to remove the gap.
Too little can allow water to seep into rake or fascia boards.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
It is non corrosive and non staining so that your roof looks good but is structurally stable.
Although it does not look like much this component is made to have great structural integrity.
If the overlap is too short fix it by placing drip edge under the first row of roof shingles and be sure that the exterior edge is reaching over the gutter.
While plastic vinyl and fiberglass drip edges may also be available in your area these materials are best suited for use in nonroofing applications such as above doors and windows.
Of course a drip edge should be flat on the roof deck.
Too much overhang and the shingles could blow off in high winds.
Drip edge profile types.
Drip edge overhangs the sides of the roof and has a small metal flange that is bent away from the fascia.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
It has the main function of controlling water flow on the roof which has many implications.
On 2020 02 20 by chuck.
When used as a drip edge it should be a minimum of 0 69 mm or 20 ounces.
Copper is a sturdy metal that gives a roof a unique look.
Slightly out of perfect flat probably isn t going to make a noticeable difference.
Drip edge is a metal flashing that tends to overhang the sides of a roof.
If it s not that i suspect it was not properly nailed or was bent or damaged during installation.
A typical metal roof overhang may be 2 to 4 inches or even less.