Then climb back up and try rinsing the downspout with your garden hose again.
How to clean a clogged gutter downspout.
Once the roof gutters are cleared of debris make sure the downspouts are cleared.
Tap the side of the downspout.
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.
Take a hose and place it into the downspout from the top opening where the gutters feed into it.
Flush out the gutter with water starting at the far end and moving toward the downspout.
Insert the end of the plumber s snake in the downspout until it meets resistance.
Fit your garden house with a spray nozzle.
If your downspouts have horizontal extension pipes remove these to clear the downspouts.
Here s how to do it.
To unclog a gutter downspout try your easiest options first.
Clean the downspouts.
Start by cleaning the bottom downspout opening.
Flush the gutters after most of the debris is removed flush the remaining bits and dirt from the gutter with a garden hose.
Have a helper turn on the water and check for downspout flow.
Walk down the ladder one rung at a time gently knocking on the side of the downspout as you go.