How Do You Extend Gutter Downspouts Underground For Drainage?
Gutter downspouts can be located very close to a house and cause problems with water seeping in the foundation wall or cause dampness in a basement. Underground drainage for downspouts can often solve this problem. When installing underground drainage for downspouts, locate an area that is lower than the house to drain the water. Be careful that you aren’t directing water onto the property of a neighbor in an area that can cause them problems, such as close to their garage, driveway or house. Step 1 Dig a two feet deep, two feet wide, trench that slopes downward one inch for every one foot from the location of the base of the downspout to an area that can absorb the water or is far enough below the level of the downspout that the pipe can expel the rainwater. Dig the sod out in pieces and lay to the side to replace later. Step 2 Tie a string around a stake at the beginning of the trench at ground level. Tie the other end to another stake at the end of the trench. Use a line level to le
