French Drain Depth Around House

Larger trenches provide better drainage and last longer but require more work.

French drain depth around house.

About 8 inches to 2 feet deep should be sufficient for many water diverting projects though related systems such as those built around foundations and sub ground living spaces as well as the bases of retaining walls may be deeper. A french drain pipe can help divert water away from your home s foundation patio or low lying areas to help prevent damage or pooling water. His bid does not call for. Once the french drain trenches and the drywells are dug then the drywell fabric tubes are installed the permeable landscape fabric is laid in the trench and at least 2 of gravel is placed over the fabric as described in french drain installation.

Parts of a french drain. The depth of the french drain depends on the purpose for using it and the location. Use shovel to dig a 6 wide trench with a depth no greater than that of the nearest foundation image 1. For the drain that will run along the entire back wall of our house he proposed a 4 foot deep by 3 foot wide french drain filled with rocks and that s it.

However most standard french drains are approximately 6 wide and 18 to 24 deep. A trench at least 12 inches wide and 18 to 24 inches deep. But a french drain is a simple ditch in the ground. The width and depth of the drain you dig will depend on the severity of the drainage problem and the digging tool you re using.

After you ve designed your french drain system you re ready to build. You can do the work yourself or hire a professional landscape contractor to do the job. Expert advice from bob vila the most trusted name in home improvement home remodeling home repair and diy. Section q r will be very steep just like section j k to achieve a 20 trench depth at the house.