Therefore when the water goes over the edge of your roof it will stay attracted to the surface of the drip edge and run behind the gutter.
Water running behind gutter.
When it rolls over the edge it follows the contour of the edging and makes its way behind the gutter.
Have rain water dripping out from between your facia and gutters.
This can be frustrating and also creates a dangerous situation on porch steps during freez.
Unfortunately it doesn t always work that way.
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.
Left long enough the water runoff will cause damage to the roof shingles as well as your home s facade.
The gutter apron will prevent the dripping.
The reason water flows behind gutters is a combination of a few things.
On some homes water tends to drip behind the gutters down the fascia and soffit and then either down the side of the house or straight to the ground.
Capillary action is when the molecules in a liquid have a greater attraction to the surface of a solid than they do to each other while traveling along that surface.
If the gutter is clogged some of that water will back up on the roof soaking it.
Many of the solid gutter covers are design to take advantage of this water characteristic.
And it doesn t stop there.
Water gets 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.
Some of the water may leak behind the gutters down towards the soffit and the fascia.
If you re not closely attuned to the behavior of your home s water drainage system you may not notice this occurrence.
This does not allow the water to be carried far enough out.
Drip strip is designed to fill the gap between the bottom of the drip edge and the top of the gutter to insure the water will flow into the gutter preventing any damage to your fascia or.