A retaining wall is built to hold back a certain amount of soil.
Install french drain behind retaining wall.
If you re building a retaining wall add a french drain behind the first course of stones or blocks.
Why proper drainage is important for retaining wall performance.
Compact the bottom of the hole behind the retaining wall to get it flat.
Otherwise water moving down the hill will build up behind the wall and undermine it.
However retaining walls are built with a certain capacity in mind.
Drainage problems in your yard can lead to pooling mold or water damage in or around your home.
The pipe should rest on the same compacted gravel base or concrete footing that supports the wall.
Pour 1 to 2 inch washed drainage rock into the hole along the base of the wall about 4 to 6 inches deep.
Learning how to build a retaining wall can be fun with these helpful tips.
The design of a properly built retaining wall resists the force of the soil behind it and prevents caving buckling or leaning.
Luckily you can avoid these problems by installing a french drain.
This video shows you how to properly install a drainpipe behind your wall for prop.