Dig a trench eight to 10 feet long 12 to 14 inches deep and about six inches wide for each of the downspouts on your house.
How to extend gutter downspouts underground for drainage.
Place other stakes spaced 8 feet apart in between.
Learn other downspout extender solutions here.
Extending downspouts underground beware the pipe to nowhere aug 26 2014 by matthew stock with michael likvan.
Fasten a piece of pvc 45 degree angle joint to one end of a piece of eight to 10 foot long 4 inch diameter.
Tie the string to the downspout then stretch it out and around all the stakes.
Dig a trench for the downspout extension use a ditch digger or shovel and dig a trench that runs from the.
You can use a 90 degree angle at the base of the downspout where the underground piping begins as a drain cleaner can usually insert his metal snake here with no difficulty.
Try to drop the.
This one s a popular solution for a few good reasons.
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.
Purchase downspout extension you will need to go to a home improvement center or other retailer that sells home.
How to put downspouts underground.
Purchase downspout extension step 1.
To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.
Pound in two stakes 4 feet from the house and directly in front of each downspout.
Simply cut your gutter extender at a 45 degree angle and connect it to your downspout with the zip hinge and 8 screws.
Since my in ground pipe ran right past the garage i had the garage downspout dump in as well.
Aluminum downspout extensions are.
The other option is to extend the downspout underground into plastic pipes that will either disperse the water aboveground at a distance from the home into a small tank or drywell buried underground or into an underground energy dissipation basin often called a french drain.
Route the water into a storm drain or dry well.
6 ideas for better downspout drainage 1.
Use a string and 1x2 stakes to lay out the trench.