When leaves lay on the screens they create a flat mat of sticky debris which also aids to stop the water from entering the gutter and cause it to bypass the gutters altogether.
Bypass my in ground gutter drain.
For the garage i used a downspout adapter without a leaf guard since there aren t trees close enough for that gutter to get clogged up.
Disconnect the gutter downspout from where it connects to the drain pipe.
Check to see if water and debris come out the other end of the pipe.
Letting some of the water drain into the ground as it moves down the pipe keeps the total amount of water at the end lower which means less chance of.
You can also hire a professional to tap into an underground drainage system if you have one installed on your.
Pull the underground drain which is often a black corrugated plastic pipe away from the end of the downspout.
The water simply drains into the ground at the end of the underground downspouts.
Remove the guard at the other end of the drain pipe if there is one.
To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.
Since my in ground pipe ran right past the garage i had the garage downspout dump in as well.