Either of the above scenarios however years of drainage has carried debris but the system is clogged and water can no longer enter.
How to unclog inground gutters.
Turn on a garden hose to its most powerful setting and run water through the drain pipe.
Start by cleaning the bottom downspout opening.
Then climb back up and try rinsing the downspout with your garden hose again.
Pull the underground drain which is often a black corrugated plastic pipe away from the end of the downspout.
To unclog a gutter downspout try your easiest options first.
Remove all the accumulated debris in the gutter.
Disconnect the gutter downspout from where it connects to the drain pipe.
Expose the bottom downspout opening divert the flow away from any landscape drain and then use a garden trowel to reach up into the opening and remove any clogged leaves and debris that could have accumulated there.
Place the end of a plumber s auger also known as a snake into the underground.
Follow these suggestions to unclog your downspout starting with the easiest options first.
Remove and clean it.
Remove the guard at the other end of the drain pipe if there is one.
Tap the side of the downspout.
Check to see if water and debris come out the other end of the pipe.
If the clog occurs at the downspout cage.
Tips on how to unclog a gutter downspout.
Walk down the ladder one rung at a time gently knocking on the side of the downspout as you go.
Many homes have gutters and downspouts that are unprotected.
You have to remove the spout to access the downpipe.
Remove the screws at the top of the downspout connecting it to the gutter.
The downspout is the pipe that runs down the building from the gutter to the underground downpipe.