How To Bury A Gutter Downspout Drain
Add gravel to the end of the trench past the end of the drain so that it is level with the gravel covering the drain.
How to bury a gutter downspout drain. Since my in ground pipe ran right past the garage i had the garage downspout dump in as well. Repeat the similar procedure for the other end of the angle to connect it to the ground pipe. 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.
First thing first dig a trench. Besides making sure the slope is correct you ll want to make sure the pipe run ends in a good location. 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. To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.
We researched how long and deep the trench should be. We found that the trench needs to be 10 12 inches deep with about a 2 inch slope. Make the trench the same width as the downspout pipe and about 12 inches deep. If you bought a flexible downspout extension chances are you re trying to redirect rainwater from making a puddle at the base of your foundation.
Pull the end of the drain onto the end of the outflow of your downspout. Dig a trench along the desired route of the drain pipe. Start laying your drain pipe by attaching a 90 degree angle pipe to the gutter downspout. Cover the drain with 3 inches of gravel down the entire length of the pipe.
On the house i used downspout adapters with leaf guards. Cover the inside of the fitting with pvc cement and push it into the lower end of the gutter downspout. Make sure your downspout extension and connector fit together and on your gutter. On the flip side burying drain pipe is more work intensive but it s a guaranteed way to keep water away.
Weisman recommends extending the trench at least 8 feet from the downspout if there s available space. Buried or underground roof drainage downspout defects clogging overflowing holes corrosion leaks that cause wet basements or crawl areas proper installation of buried downspout extensions proper installation of french drains seepage pits at flat sites gutter downspout defects cause wet basements crawl areas questions answers about installing maintaining repairing buried roof. We suggest topping the pipe off with a pop up emitter.