French Drain Behind Retaining Wall

Why you need a french drain behind your retaining wall the proper drainage behind a natural stone wall is extremely important.
French drain behind retaining wall. Slope the tubing from one end of the wall to the other or from the ends to the middle. If you re building a retaining wall on a hillside. Otherwise water moving down the hill will build up behind the wall and undermine it. How to stop retaining walls from failing.
If you re building a retaining wall add a french drain behind the first course of stones or blocks. The photos we show in this article show a french drain being constructed behind a low retaining wall. French drain below or above retaining wall. They are also always lower than the footing of a foundation or wall or stair system.
Use drainage tubing behind the wall. Posted at 08 12h in commercial landscaping hardscapes hiring a landscaper. Next the trench should be lined with ground sheeting this is available at most builders merchants. The ez flow drainage system intercepts and conveys groundwater from behind retaining walls relieving this pressure and preventing weeping.
We re pulling all this out. 25 jun drainage behind retaining wall. The pipe should rest on the same compacted gravel base or concrete footing that supports 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.
Drainage problems in your yard can lead to pooling mold or water damage in or around your home. Perimeter drains foundation and footing perimeter french drain systems prevent moisture from entering a building basement or crawlspace. We re going to keep the good stones and use them for the rebuild. A french drain is a trench filled with a perforated pipe and gravel that allows water to drain naturally from your yard.
Luckily you can avoid these problems by installing a french drain. You want to use a perforated 4 plastic pipe below. Ask question asked 2 years 9 months ago. Drain pipes go behind the wall on the side with the surcharge the soil that that wall or foundation is holding back.