There are a number of ways to ensure proper drainage of water from behind a retaining wall.
Where to put drain tile behind a retaining wall.
Right behind that you have the soil.
Typically drain lines are installed at the base of new walls before the soil is.
First is to make sure your landscaping contractor backfills at least a foot of space behind the wall with gravel.
By william machin water that s allowed to build up behind retaining walls can damage a wall or cause it to give way.
This helps create a hollow channel for water to go in the event of a heavy rain or watering.
Any reinforced wall or walls over 4 ft.
Right behind the stone you have filter cloth.
For proper drainage the first 12 inches of space behind a retaining wall should be filled with crushed stone or gravel.
1 2 m in height or with slopes or other surcharges above the wall will need a toe drain.
In all cases wall rock is located within the cores of the block and a minimum of 12 in.
And so if you don t have something like that and you re getting a lot of dirt that s just basically turning into mud and running through the wall then that s going to happen.
Lay perforated piping in addition to the foot of backfill that is used behind your retaining wall you should also make sure that perforated piping is laid at the bottom of the backfilled portion of the wall.
Second is having a perforated pipe installed along the inside or backfilled bottom of the wall.
So up against the retaining wall you have stone.