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.
Complex installations are best left to the experts.
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.
Before french drain installation make sure your neighborhood has no zoning restrictions and get necessary permissions.
It is dug below the footer and graded to the surface.
Professional installation of the same french drain outside your foundation and repair of all disturbed soil cost around 2 350.
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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.
Installation involves cutting a trench in the.
It s fine if your yard creates a natural slope that is steeper.
Fill the top of the trench with soil and reseed with grass.
Just be aware that steepness increases water velocity and can lead to more erosion in the discharge area.
How to install a french drain.
Fold the excess landscape fabric over the top of the gravel.
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.
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.
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.
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.
2 dig a trench dig a trench from the place in your yard that needs drainage to your chosen outlet.
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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A french drain must be sloped to carry the water down to its destination.
Average cost of french drain installation.
An exterior french drain consists of excavating a ditch along the foundation.
Indoor french drains are installed in a trench along the perimeter of the foundation and the water is routed into a sump pump.