Installation at ground level.
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.
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.
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.
Excavate a trench or series of connected trenches to accommodate the perforated drain tiles.
The drain tile goes uphill behind the wall at approximately the level of the bottom of the wall.
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.
End snaps into 4 in.
Drain tile drain tile should be placed behind the wall and extruded wherever possible.
Why proper drainage is important for retaining wall performance.
A retaining wall is built to hold back a certain amount of soil.
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.
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 design of a properly built retaining wall resists the force.