This can be done by running water from a hose down into the pipe from the point where it meets the gutter.
Buried gutter drain pipe repair.
Check to see if water and debris come out the other end of the pipe.
Since my in ground pipe ran right past the garage i had the garage downspout dump in as well.
The flexible design easily bends and holds its shape and can be extended from 25 in.
Then unscrew the straps attaching the spout to the house.
Something that can be very damaging to the foundation of a home is exterior water.
Pull the underground drain which is often a black corrugated plastic pipe away from the end of the downspout.
Disconnect the gutter downspout from where it connects to the drain pipe.
Check the outflow opening.
Turn on a garden hose to its most powerful setting and run water through the drain pipe.
For the garage i used a downspout adapter without a leaf guard since there aren t trees close enough for that gutter to get clogged up.
If the water backs up into the gutter there is a blockage in the pipe.
Extending downspouts underground beware the pipe to nowhere aug 26 2014 by matthew stock with michael likvan.
Place the end of a plumber s auger also known as a snake into the underground.
Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage.
The downspout is the pipe that runs down the building from the gutter to the underground downpipe.
A gutter s purpose is to move water from a roof to the desired location but usually this is right by the foundation of a home.
Remove the downspout from the pipe.
Remove the guard at the other end of the drain pipe if there is one.
You have to remove the spout to access the downpipe.
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Featuring durable vinyl construction this extension can be buried bent or connected to additional sections.
It s a well accepted fact that excess rain water near the foundation of a home is an invitation to a wet basement.
To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.