Dig the trench 15 inches wide down the entire length.
How to bury a gutter downspout.
Weisman recommends extending the trench at least 8 feet from the downspout if there s available space.
Start laying your drain pipe by attaching a 90 degree angle pipe to the gutter downspout.
Dig a trench along the desired route of the drain pipe.
We researched how long and deep the trench should be.
To avoid these problems bury your gutter downspout and direct the storm water flow away from your house.
In the pictures you can see how i connect the downspouts to my pvc system.
On the house i used downspout adapters with leaf guards.
Use your tape measure to periodically check of the width and depth of the trench.
Since my in ground pipe ran right past the garage i had the garage downspout dump in as well.
To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.
We found that the trench needs to be 10 12 inches deep with about a 2 inch slope.
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.
Cover the inside of the fitting with pvc cement and push it into the lower end of the gutter downspout.
First thing first dig a trench.
Make the trench the same width as the downspout pipe and about 12 inches deep.
Don t bury aluminum downspout drain lines buried aluminum downspouts photo below left corrode through and leak fairly quickly as the aluminum metal is thin and when exposed to corrosive soils or even acidic water from leaves and vegetation or salt from ice melts used nearby the material will be damaged.
Repeat the similar procedure for the other end of the angle to connect it to the ground pipe.
On the flip side burying drain pipe is more work intensive but it s a guaranteed way to keep water away.
Dig a sloping trench from your downspout to a point 8 feet away.
Besides making sure the slope is correct you ll want to make sure the pipe run ends in a good location.
The end of the trench next to the house will be 18 inches deep and the far end will be 30 inches deep.