This can be frustrating and also creates a dangerous situation on porch steps during freez.
Water splashing behind guttering.
There are a few elements that come into play that cause water to run behind the gutter.
If water is dripping behind your gutter it s probably because it was installed without any flashing over the back of the gutter.
Have rain water dripping out from between your facia and gutters.
At some point in the past an owner had vinyl siding installed over old siding.
The extra thickness of the vinyl.
Thankfully there s a fix for this and it s called a gutter splash guard.
Holes through the splash guard and the gutter.
You can find these precut gutter splash guards about 3 in brown and white aluminum at a home center but you could easily make your own out of aluminum or sheet metal and spray paint them to match your gutters.
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.
In roof valleys rain water will travel faster especially during a heavy storm or if the gutters are already full and the water will skip over the gutter and right onto whatever or whomever is unlucky enough to be beneath it.
Are you getting water behind your gutter.
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.
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.
A gutter apron is a bent piece of flashing that tucks up under the shingles and over the gutter.
Rainwater leaking from a gutter ends up behind siding and causes a wall to rot.
This video shows one of the reason why you can get water behind your gutter and some of th.
Ever wonder why that is.
The gutter apron will prevent the dripping.