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

Retaining walls need a drainage system to prevent water from causing structural and soil health issues. Weep holes spaced every four feet will suffice for shorter walls, but taller walls also need ...

Drainage behind retaining walls also is very important. I always installed perforated drain tile behind my walls and made sure the pipe had an outlet to daylight so water would never build up ...

inches lower than the top of the foundation wall. This would allow for 6?inches of foundation to show above the ground and 12 inches of fall from the house toward the base of the retaining wall.

Most retaining walls cost between $10 and $100 per square foot for materials and labor—not including other factors like installing a drainage system, excavation, land clearing and more. The ...

2. To avoid soil shifting and damaging the wall, retaining walls should rest on cut or undisturbed ground, not landfill, and have a footing roughly two times the width of the wall and as deep as ...

And the good thing about installing this retaining wall is we can add drainage, which means the wall is gonna be there forever. Jenn: Sounds like a perfect plan and a perfect job for the two of us.

Design flaws in a retaining wall drainage system and heavy rains during construction may have contributed to a “slope failure” that caused the collapse of U.S. 36 in Westminster two years ago, ...