Backfilling the space behind the blocks with crushed stone and then installing a flexible perforated drainpipe available at the home depot also called drain tile at the base of the wall could.
Retaining wall drain tile installation.
Installation at ground level.
A retaining wall is built to hold back a certain amount of soil.
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.
100 mm drain tile.
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.
Excavate a trench or series of connected trenches to accommodate the perforated drain tiles.
Use a shovel to cut up sections of turf and place them as intact as possible on a tarp for later.
End snaps into 4 in.
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.
The drain tile goes uphill behind the wall at approximately the level of the bottom of the wall.
The design of a properly built retaining wall resists the force.
Designed for blocks with height of 8 in.