These obstructions catch leaves and twigs causing clogs.
Outside gutter drain blocked.
The first thing to do when solving the problem of a blocked drain outside is to carry out a visual inspection of the area you think is blocked and try to understand what is causing the problem.
Pull the underground drain which is often a black corrugated plastic pipe away from the end of the downspout.
Then flush the line to clear out any remaining debris.
Remove the downspout from the pipe.
You have to remove the spout to access the downpipe.
Then unscrew the straps attaching the spout to the house.
If they have simply scoop all matter out then follow with around 100ml of neat bleach down the drain.
Outdoor drain clogged with mud if you have a pvc drain pipe you can try using a drain auger or sewer cleaning machine.
About the book author.
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.
Often this item is bent or out of place.
The downspout is the pipe that runs down the building from the gutter to the underground downpipe.
Disconnect the gutter downspout from where it connects to the drain pipe.
The downspout cage a wire strainer designed to trap debris while allowing water to flow through is located where the downspout intersects the gutter.
Check to see if water and debris come out the other end of the pipe.
After you break up the clog pour about 1 gallon 3 8 l of water down the drain using your hose to test the drainage and to get rid of any loose material.
Remove the guard at the other end of the drain pipe if there is one.
Remove the screws at the top of the downspout connecting it to the gutter.
A cable attached to the machine and then fed into the pipe which breaks up the mud by spinning through the pipe.
Place the end of a plumber s auger also known as a snake into the underground.
Turn on a garden hose to its most powerful setting and run water through the drain pipe.