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.
Exterior french drain installation.
A minimum slope of 1 percent that is a drop of 1 foot for every 100 feet in length is recommended.
Lay the drain pipe in the trench with the drain holes facing down.
Many types of french drains exist and the size length depth and location of.
2 dig a trench dig a trench from the place in your yard that needs drainage to your chosen outlet.
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.
It s fine if your yard creates a natural slope that is steeper.
Installation involves cutting a trench in the.
Professional installation of a french drain.
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Before french drain installation make sure your neighborhood has no zoning restrictions and get necessary permissions.
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.
If water continues to invade your basement despite seemingly adequate outdoor drainage then you might need to install a french drain indoors.
Fill the top of the trench with soil and reseed with grass.
Average cost of french drain installation.
A french drain must be sloped to carry the water down to its destination.
Fold the excess landscape fabric over the top of the gravel.
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.
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.
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Indoor french drains are installed in a trench along the perimeter of the foundation and the water is routed into a sump pump.
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.
How to install a french drain.
Complex installations are best left to the experts.
It is dug below the footer and graded to the surface.
Just be aware that steepness increases water velocity and can lead to more erosion in the discharge area.