Water leaking in behind the facia of your roof could be caused by a couple of things.
Gutter leaking behind.
Here are a few guidelines you need to follow to get it right.
When the roof shingles do not extend past the metal drip edge the water will suck back on the metal drip edge this is called capillary action and run behind your gutters.
If you re not closely attuned to the behavior of your home s water drainage system you may not notice this occurrence.
Capillary action is a water activity in which water adheres to a surface and follow the surface around.
The first cause is when the roofing material is installed many roofers will not extend the roofing material past the roof edging or drip edge.
Place downspouts in areas with the least amount of obstructions electrical wires hose bibs sidewalks etc.
There are a few elements that come into play that cause water to run behind the gutter.
If your gutters are fastened with spikes and some spikes are loose or rusted simply hammering the spike back in isn t.
There should be no more than a inch drop in the direction of the downspout.
If you can t see anything with your naked eye you can also try pouring water into the gutter and then making a note of every spot where it leaks out.
If clips or brackets hold your gutters check for broken clips and loose or missing screws.
Put downspouts in a hidden location to ensure that they don t detract from your home s overall look you can camouflage.
Should you notice the gutter leaking in one or a few small ish spots you ll want to carefully inspect the area to see if you can spot either of these problems.