Respuesta :

A French drain, sometimes called a curtain drain, is a simple system with no moving parts -- gravity removes excess water from problem areas in your yard. Give gravity a chance to do its job by making sure your French drain design has the proper slope from beginning to end.

Answer:

A French drain, or curtain drain, removes excess surface water so you won't need hip boots to cut the grass. A French drain, sometimes called a curtain drain, is a simple system with no moving parts -- gravity removes excess water from problem areas in your yard.