Segmental retaining walls that support roadways or parking areas also require engineering attention. Water must be allowed to drain freely behind and away from the wall.

A retaining wall is only as effective as its drainage system. Adding weep holes and a drainage pipe will protect its integrity. This One Drainage Mistake Could Destroy Your Garden and Cost You ...

The Earthship movement takes the idea further, creating retaining walls and entire buildings out of tire walls, sometimes filling them with concrete rubble and broken bricks to allow for drainage ...

Concrete isn’t going away, but particularly in places defined by their steep landscapes, stone is a viable alternative for building retaining walls and water courses. A concrete retaining wall ...

Proper retaining wall drainage can be the difference between a sturdy wall and one that leans. Learn how to prevent and mitigate drainage problems.