A french drain is a trench filled with a perforated pipe and gravel that allows water to drain naturally from your yard.
French drain behind retaining wall.
You want to use a perforated 4 plastic pipe below.
How to stop retaining walls from failing.
Drainage problems in your yard can lead to pooling mold or water damage in or around your home.
Use drainage tubing behind the wall.
First you need to dig a trench behind the wall about 15cm wide and as deep as required with a fall off 1 in 100 so that the water flows.
We re going to keep the good stones and use them for the rebuild.
Luckily you can avoid these problems by installing a french drain.
Otherwise water moving down the hill will build up behind the wall and undermine it.
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Ask question asked 2 years 9 months ago.
25 jun drainage behind retaining wall.
If you re building a retaining wall add a french drain behind the first course of stones or blocks.
Let me show you what happens after 19 years.
Why you need a french drain behind your retaining wall the proper drainage behind a natural stone wall is extremely important.
The pipe should rest on the same compacted gravel base or concrete footing that supports the wall.
Drain pipes go behind the wall on the side with the surcharge the soil that that wall or foundation is holding back.
French drain below or above retaining wall.
Perimeter drains foundation and footing perimeter french drain systems prevent moisture from entering a building basement or crawlspace.
The stone is just deteriorating.
The photos we show in this article show a french drain being constructed behind a low retaining wall.
If you re building a retaining wall on a hillside.
The ez flow drainage system intercepts and conveys groundwater from behind retaining walls relieving this pressure and preventing weeping.
Check out this video for some simple instructions on installing a french drain behind an 18 to 24 tall retaining wall before it is backfilled with dirt.
Slope the tubing from one end of the wall to the other or from the ends to the middle.