Take a hose and place it into the downspout from the top opening where the gutters feed into it.
Best way to unclog gutters.
If you still haven t identified the location of the clog and you have downspouts that descend below ground level then the clog likely is in an underground pipe.
Check to see if water and debris come out the other end of the pipe.
If the downspout is clogged clear it out by packing the downspout opening around the hose with a rag sealing the hose tight.
In addition it will help to keep the weight off the structure of the gutter.
Make sure all the gutters are secure and firmly attached to the house.
Remove the guard at the other end of the drain pipe if there is one.
Walk down the ladder one rung at a time gently knocking on the side of the downspout as you go.
Even if the gutter guards work as intended there is still the issue of moss and algae growth.
Step 2 take apart your gutter downspout if spraying the clog with your hose proves unsuccessful use a screwdriver to take apart your downspout at the bends.
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.
Tips on how to unclog a gutter downspout follow these suggestions to unclog your downspout starting with the easiest options first.
Gutters should slope 1 4 inch for every 10 feet toward the downspout.
This method works the best when the leaves are damp but not soaked the whole way through.
After you pull out the dry debris use the garden hose to sluice the gutters as it will help to keep the rainwater flowing smoothly.
Turn on a garden hose to its most powerful setting and run water through the drain pipe.
A garden trowel is your best friend when working to unclog a gutter by hand.
As long as a small amount of leaf material makes its way into the gutters it creates the perfect growing environment for lichen and moss.
Left unchecked it will continue to grow.
Tap the side of the downspout.
Inspect each gutter section and the downspout for damage.
As it does it can block downspouts or break free and clogged them.
Disconnect the gutter downspout from where it connects to the drain pipe.
To do this start at the drain end by the lower side of the gutter.
Working your way down from the gutter tap the outside of the downspout with a screwdriver and listen for a dull thud as opposed to hollow ring.
Have a helper turn on the water and check for downspout flow.
This will indicate the location of the clog.
In order to unclog your gutter you will need a garden hose and gloves.
Periodically rinsing your downspout in this manner is a good way to prevent the formation of clogs.
Start by cleaning the bottom downspout opening.