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.
Leaking between gutter and house.
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.
If the gutters look clear run a hose and fill the gutters with water.
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.
When they fail to do.
If your gutter is still basically sound the easiest way to stop the leak is by covering the damaged area with roof and gutter repair tape available at home centers and hardware stores.
When properly installed gutters direct roof runoff into a downspout system and safely away from the house.
Water should run out the downspout and away from the house without filling the gutter.
Capillary action is a water activity in which water adheres to a surface and follow the surface around.
Incorrectly sized poorly adjusted or shoddily fastened gutters can lead to excess space between the gutter and roof which will lead to water falling in between.
Water leaking between gutter and fascia when there is rain the water is expected to roll down the roof and into the gutters.
For gutters to work properly they must be properly sloped toward the downspouts and the roof must have a drip edge that clears the sides of the gutters closest to the house.
When water drips between the fascia and the gutters the problem could be a compromised drip edge but it s also possible the gutters are overflowing.
The purpose of all rain gutters is to move water away from the base of your house.
If the gutters are clogged it s possible that the water is overflowing the gutters and this is contributing to the leak.
You re wise to address leaking gutters before disrepair causes costly damage to your home.
The gutters then direct the water to a downspout allowing the water to run down until it reaches the ground.