Exterior French Drain Installation

It is dug below the footer and graded to the surface.

Exterior french drain installation.

French drain installation is usually a job for professionals who understand the angles required for proper water drainage and who can identify a better location for the water that won t cause erosion and flooding. Average cost of french drain installation. How to install a french drain. Installation involves cutting a trench in the.

Professional installation of a french drain. If water continues to invade your basement despite seemingly adequate outdoor drainage then you might need to install a french drain indoors. Cover the drain pipe with gravel to within 2 to 3 inches of the top of the trench. Fold the excess landscape fabric over the top of the gravel.

Before french drain installation make sure your neighborhood has no zoning restrictions and get necessary permissions. In order to install an outside french drain all cement porches patios sidewalks shrubs or any other obstacle along the foundation need to be removed. If you have a soggy yard or water that seeps slowly into your basement you may want to consider the installation of a french drain 1 to dry things out. 2 dig a trench dig a trench from the place in your yard that needs drainage to your chosen outlet.

A french drain must be sloped to carry the water down to its destination. An exterior french drain consists of excavating a ditch along the foundation. Professional installation of the same french drain outside your foundation and repair of all disturbed soil cost around 2 350. Confirm that your water issue is not caused by leakage from underground pipes that need repair.

A minimum slope of 1 percent that is a drop of 1 foot for every 100 feet in length is recommended. Fill the top of the trench with soil and reseed with grass. Lay the drain pipe in the trench with the drain holes facing down. A french drain 1 is a very simple setup that helps water drain redirecting it from where you do not want it to somewhere harmless like a sewer drain 2 or street.

Find the best yard drainage contractors near you on yelp see all yard drainage contractors open now. Many types of french drains exist and the size length depth and location of. Indoor french drains are installed in a trench along the perimeter of the foundation and the water is routed into a sump pump. It s fine if your yard creates a natural slope that is steeper.

Just be aware that steepness increases water velocity and can lead to more erosion in the discharge area. Installing a shallow exterior french drain is a job the average homeowner can do but rental fees on the heavy equipment for digging deep trenches or breaking up concrete flooring as well as safety factors may offset the savings.