Exterior French Drain Installation

Indoor french drains are installed in a trench along the perimeter of the foundation and the water is routed into a sump pump.

Exterior french drain installation.

Cover the drain pipe with gravel to within 2 to 3 inches of the top of the trench. Professional installation of a french drain. Lay the drain pipe in the trench with the drain holes facing down. If water continues to invade your basement despite seemingly adequate outdoor drainage then you might need to install a french drain indoors.

Average cost of french drain installation. 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. An exterior french drain consists of excavating a ditch along the foundation. Fill the top of the trench with soil and reseed with grass.

A minimum slope of 1 percent that is a drop of 1 foot for every 100 feet in length is recommended. Many types of french drains exist and the size length depth and location of. Confirm that your water issue is not caused by leakage from underground pipes that need repair. 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.

A french drain must be sloped to carry the water down to its destination. 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. Explore other popular home services near you from over 7 million businesses with over 142 million reviews and opinions from yelpers. Find the best yard drainage contractors near you on yelp see all yard drainage contractors open now.

Complex installations are best left to the experts. It is dug below the footer and graded to the surface. The average cost to install a 100 foot 2 feet deep exterior french drain in your yard is about 1 200 or 12 per foot for diy with no trencher rental. 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.

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. 2 dig a trench dig a trench from the place in your yard that needs drainage to your chosen outlet. It s fine if your yard creates a natural slope that is steeper.

How to install a french drain. Just be aware that steepness increases water velocity and can lead to more erosion in the discharge area.