In this blog post we ll be discussing french drains and drywells and how to install them correctly.
French drain near retaining wall.
Pipe drains are usually installed at the base of the wall but taller walls and those with additional drainage needs may require multiple pipe drains at varying heights.
If you re building a retaining wall on a hillside.
Let me show you what happens after 19 years.
Here is a picture looking up at the problem area from down the hill.
Design and build your retaining wall to slope at a minimum rate of.
Concrete retaining wall sticks out 12ft to the right.
One of the most popular fix to these yard drainage problems is a french drain as part of a drainage system.
Otherwise water moving down the hill will build up behind the wall and undermine it.
Some of these drains are vented through the front of the retaining wall while others may run the length of the wall and drain out to the sides.
The stone is just deteriorating.
Water pooling in a yard can kill grass attract mosquitoes and create mud patches.
Install a french drain one of the top yard drainage solutions to divert water away from problem areas.
It should be located on the uphill side of the wall so it can catch water running down the hill and prevent it from undermining the wall.
A french drain is a trench filled with a perforated pipe and gravel that allows water to drain naturally from your yard.
Depending on the size of your yard and the scale of your drainage issue you can purchase the pipes and equipment to create a french drain yourself.
We re going to keep the good stones and use them for the rebuild.
When installing a french drain near shrubbery or trees it s best to use rigid pipe and to use non perforated pipe within 10 to.
The pipe should rest on the same compacted gravel base or concrete footing that supports the wall.
We re pulling all this out.
My proposed trench is on the left and the rr tie wall is left of that.
Why you need a french drain behind your retaining wall the proper drainage behind a natural stone wall is extremely important.
A french drain is a virtual necessity when building a retaining wall on a hill.
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.