How to Build a Retaining Wall Retaining Wall Basics Seat Walls Types of Retaining Walls Block Retaining Wall There are a number of ways to ensure proper drainage of water from behind a retaining wall. First, is to make sure your landscaping contractor backfills at least a foot of space behind the wall with gravel. Timber Retaining Walls
We will teach you how to install a Timber Retaining wall and proper drainage to flow any unwanted water flow away. Timber Retaining Wall with Drainage Hydrostatic Pressure behind a
Proper Retaining Wall Drainage Tips Use Backfill Properly Whenever you hear the term “backfill,” it means the dirt that rests immediately behind your retaining wall. Rather than just filling in with garden soil, clay or any other material that you may have, it is very important that you use at least 12 inches clean crushed stone as
Building a Timber Retaining Wall. Most retaining walls require drainage and are built with a perforated pipe set behind the wall in a gravel base. Because the grade of this yard has a slight slope that will promote water runoff, we can skip this step on this project, but we will add gravel for drainage and back fill with dirt.
Install corrugated drainage pipe behind the first course of timbers and run the pipe to where the water can exit the area. Called "deadmen,” the timbers extend from the retaining wall deep into the ground behind the wall. Drive 2' lengths of rebar through the ends of the deadmen and into the ground. 6. Backfill the area behind the