Excavate a trench or series of connected trenches to accommodate the perforated drain tiles.
Retaining wall drain tile installation.
Retaining wall front drain tile extruded through the face of the wall figure 2 main discharge extruded at the end of the retaining wall drainage fill.
There is no need to prepare a special base for the drain tile itself of course you need a base for the block that makes up the wall as you indicated.
Drain tile drain tile should be placed behind the wall and extruded wherever possible.
Whether you are planning to install your own retaining wall or have someone else do it understanding how drainage should work will ensure the best possible end result.
A retaining wall is built to hold back a certain amount of soil.
Use a shovel to cut up sections of turf and place them as intact as possible on a tarp for later.
The design of a properly built retaining wall resists the force.
Why proper drainage is important for retaining wall performance.
This means the drain tile may have to be extruded through the face of the wall figure 2 or at the end of the wall figure 3.
100 mm drain tile.
Designed for blocks with height of 8 in.
End snaps into 4 in.
Some professional installers find that nearly 80 percent of the retaining walls they see fail at some point due to improper drainage.
Works with block or timber.