Water leaking in behind the facia of your roof could be caused by a couple of things.
Roof leaking behind gutter.
Place downspouts in areas with the least amount of obstructions electrical wires hose bibs sidewalks etc.
For example most ranch style homes have a 3 12 or 4 12 pitch roof.
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.
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.
Capillary action is a water activity in which water adheres to a surface and follow the surface around.
If clips or brackets hold your gutters check for broken clips and loose or missing screws.
Do you have water leaking behind your gutters.
Have rain water dripping out from between your facia and gutters.
There should be no more than a inch drop in the direction of the downspout.
If the water is dripping between the fascia and the soffit or only from the soffit this is a good indicator that the leak is coming from your roof.
Unfortunately it doesn t always work that way.
If the water is coming from a leak between the gutter and the fascia it is very likely that this is a gutter problem and that the back of the gutter was not installed correctly.
The gutter apron will prevent the dripping.
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.
Put downspouts in a hidden location to ensure that they don t detract from your home s overall look you can camouflage.
1 your roof sheets have a hole in them or your screws or nails or equivalent are not watertight anymore or 2 the more common reason is where roof sheets are cut too short or they don t overhang far enough into the gutter.
This can be frustrating and also creates a dangerous situation on porch steps during freez.
When it rains water is supposed to roll down the side of your roof and into your gutters through the gutters to a downspout into the downspout and away from your home s foundation.
Here are a few guidelines you need to follow to get it right.
This problem is common with homes that have roofs that do not have much pitch to them.
My gutters are leaking from behind.