Cover the drain pipe with gravel to within 2 to 3 inches of the top of the trench.
Exterior french drain installation.
Fold the excess landscape fabric over the top of the gravel.
Complex installations are best left to the experts.
Fill the top of the trench with soil and reseed with grass.
A french drain must be sloped to carry the water down to its destination.
Professional installation of the same french drain outside your foundation and repair of all disturbed soil cost around 2 350.
Indoor french drains are installed in a trench along the perimeter of the foundation and the water is routed into a sump pump.
If water continues to invade your basement despite seemingly adequate outdoor drainage then you might need to install a french drain indoors.
How to install a french drain.
Before french drain installation make sure your neighborhood has no zoning restrictions and get necessary permissions.
Installation involves cutting a trench in the.
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.
Professional installation of a french drain.
Lay the drain pipe in the trench with the drain holes facing down.
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.
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.
It is dug below the footer and graded to the surface.
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.
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.
2 dig a trench dig a trench from the place in your yard that needs drainage to your chosen outlet.
Many types of french drains exist and the size length depth and location of.
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Just be aware that steepness increases water velocity and can lead to more erosion in the discharge area.
A minimum slope of 1 percent that is a drop of 1 foot for every 100 feet in length is recommended.
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It s fine if your yard creates a natural slope that is steeper.
Confirm that your water issue is not caused by leakage from underground pipes that need repair.