Some rain runoff by capillary action runs up under the shingle drip edge and down the fascia behind the gutter.
Fascia drip edge gutter.
Installing drip edge on a new roof or re roofing job.
It should be a minimum extension of two inch from the fascia board on the roof.
The correct placement of the drip edge is the top of the roof directly between the shingles and the fascia board.
Home centers sell rolls of 6 in.
Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter.
Applied with metal and standing seam roofing an open hemmed drip edge will deter water from going upward as a result of capillary action and passing the drip edge metal.
It should never be installed outside the gutter i e against the fascia board.
This works out.
For proper water drainage the drip edge on the rakes should always overlap the drip edge on the eaves.
The whole purpose is to direct the water into the gutters.
The drip edge should be installed over a furring strip so that it tails off the fascia board.
There was no way that the gutter installe was going to get the upper edge of the gutter behind the drip edge.
If this slight overhang is too short water will drip behind the gutters leading to rotted roof sheathing and fascia stained siding and even soil erosion and a flooded basement.
Drip edges are metal sheets usually shaped like an l installed at the edge of the roof.
Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.
Use tin snips to cut the gutter apron flashing roll in two 3 in.
The best practice is to always install the drip edge so that it is inside the gutter.
Please ensure that the drip edge is extended over the gutter.
The lower edge of a roof should extend beyond the fascia board by about 3 4 inch so that runoff drains into the gutters.
It directs all the water away from the fascia and then into the gutter.
If there s a drip edge installed where the fascia meets your shingles and the gutter is hung below the drip edge get some roll flashing and tuck it up under the drip edge and over the top of the gutter.