We then fill up with more gravel.
How to bury a gutter drain pipe.
Make the trench the same width as the downspout pipe and about 12 inches deep.
Repeat the similar procedure for the other end of the angle to connect it to the ground pipe.
Dig a trench about 6 inches wider than the drain pipe you plan to bury and dig the hole deep enough so that the drainpipe sits 3 inches below grade.
We suggest topping the pipe off with a pop up emitter.
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.
The trench should end at least 6 to 8 feet away from the home.
Cover with soil and plant lawn over it.
On the flip side burying drain pipe is more work intensive but it s a guaranteed way to keep water away.
Since my in ground pipe ran right past the garage i had the garage downspout dump in as well.
Step 2 lay two inches of gravel inside the trench.
Cover the inside of the fitting with pvc cement and push it into the lower end of the gutter downspout.
Dig a trench along the desired route of the drain pipe.
To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.
If your yard is flat or doesn t naturally have the desired slope dig the trench deeper as it extends away from the house to create the slope.
Depending on the trench length and more important the type of soil digging the trench with a shovel can range from relatively easy to downright impossible.
Dig a 14 inch trench where you plan to run your corrugated drainage pipe.
Start laying your drain pipe by attaching a 90 degree angle pipe to the gutter downspout.
The trench should be at least 6 inches wide and slope down slightly 1 to 2 inches per length of pipe so water drains away from the downspouts.
Lay the downspout drain pipe in the trench.
Weisman recommends extending the trench at least 8 feet from the downspout if there s available space.
The most difficult part is digging the trench.