Other causes of the water running behind the gutter if properly installed are roofing not extended 3 8 past drip edge improper overlap of drip edge ice and water membrane placed beneath drip edge.
Screws in the bottom of my rain gutter.
One way to make sure your gutter doesn t fall off the house is to install fascia hanger brackets.
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To replace gutter spikes with screws simply remove the old gutter spike and insert the screw through the existing hole in the front of the gutter.
Squeeze out a bead of caulk beneath the shingles on both sides of the vent to hold the shingles down and to add a water barrier.
Then use a cordless drill to drive the screw into a new hole in the fascia board.
When these become loose they can cause small leaks to develop around the fastener with the result of water pouring out of the rear of the gutter and directly onto the fascia.
Rain gutter spikes or screws should be at least seven inches long and eight is even better.
Usually you can also work those loose without removing shingles.
Just hook the bracket under the front lip of the gutter and then screw the other side of the bracket to the fascia.
Screw the bottom in place with rubber washered screws.
The bracket screws should not be screwed through the drip edge.
If clips or brackets hold your gutters check for broken clips and loose or missing screws.
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There will be nails across the top of the vent too.
The gutters are affixed to the fascia boards using some form of screws nails or hangers which are usually driven straight through the side of the gutter itself and into the boards.