To unclog a gutter downspout try your easiest options first.
How to clean gutter drain pipes.
If they have simply scoop all matter out then follow with around 100ml of neat bleach down the drain.
How to unclog drains your drains can become blocked with debris anytime throughout the year and it is well worth walking round your home every month just to check that none of the drain covers has become clogged with leaves or rubbish.
Check where the water drains out of the pipe.
Turn the handle clockwise to extend the end of the auger.
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.
Remove all the accumulated debris in the gutter.
Pull the underground drain which is often a black corrugated plastic pipe away from the end of the downspout.
Locate drain pipe exit often near street curb.
Many times this end of the pipe has a leaf guard or metal screen.
Place the end of a plumber s auger also known as a snake into the underground gutter.
How to unclog underground rain gutter drain piping.
The hose with water rooter should be fed into pipe from this exit.
Remove the guard.
Remove the guard and pull.
Disconnect the gutter downspout from where it connects to the drain pipe.
If the clog occurs at the downspout cage.
Over time leaves dirt and other debris can clog up the pipe.
Start by cleaning the bottom downspout opening.
Feed hose into drain pipe to point of clog secure hose in place with heavy object and turn water on full blast.
Remove and clean it.
If your downpipe isn t draining or water is flowing out the back then it s probably clogged.
Connect water rooter to hose.