Of packed impervious soil to help prevent water from seeping behind the wall.
How to build a retaining wall with drainage tile.
Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
Any reinforced wall or walls over 4 ft.
A retaining wall is intended to hold back soil when there is a drastic change in elevation.
Why proper drainage is important for retaining wall performance.
The gravel below that soil gives water that does enter a fast route to the drain tile.
The design of a properly built retaining wall resists the force of the soil behind it and prevents caving buckling or leaning.
Use a shovel to cut up sections of turf and place them as intact as possible on a tarp for later.
A wall that leans into the soil it retains is less likely to be pushed outward by soil pressure than a plain old vertical wall.
In all cases wall rock is located within the cores of the block and a minimum of 12 in.
And the perforated drain tile collects the water and directs it away from the base of the wall escorting it out through its open ends.
1 2 m in height or with slopes or other surcharges above the wall will need a toe drain.
Just below that is 8 to 12 in.
Typically drain lines are installed at the base of new walls before the soil is backfilled.
The success of your retaining wall depends on a level base.
The toe drain and the wall rock is designed to remove incidental water from behind the wall and is.
However retaining walls are built with a certain capacity in mind.
To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout.
A retaining wall is built to hold back a certain amount of soil.
Excavate a trench or series of connected trenches to accommodate the perforated drain tiles.
Often retaining walls are used to terrace yards that originally had a steep slope additionally retaining walls can help create usable outdoor space as well as control erosion see landscaping a split level home low retaining walls are frequently used as planting beds and can add interest to an.