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.
Exterior french drain installation.
A landscaping french drain is a gravel filled trench lined with landscape fabric to keep soil and silt out of the gravel.
Without the gravel and the fabric however the drain can clog up with sand and soil over time.
How to install a french drain call the 811 hotline to have underground utilities marked.
It has no drain pipe which is prone to clogging anyway and has gravel running all the way to the surface.
The cost for pro installation includes all labor and trenching equipment perforated drain pipes the fabric for preventing sand and dirt from seeping into the pipes rocks and gravel to cover the drainage ditch.
Reseed the surface if necessary or cover with landscaping stone.
100 foot exterior footing perimeter drain cost to install a french drain varies greatly by region and even by zip code.
The most reliable way to eliminate undesirable free standing water is to install french drains with slotted pipes filter fabric and gravel.
Dig the trench system.
If your french drain breaks or gets clogged you may have to dig up part of it for inspection or repair which is.
Line the trench with landscape fabric.
Regularly inspect and clean the inlet grate and outlet point.
The old way of installing french drains is to do it without the gravel and the fabric.
Add 2 to 3 inches of gravel to the bottom of the trench.
Professional installation of the same french drain outside your foundation and repair of all disturbed soil cost around 2 350.
The fabric should be wide enough to extend 1 foot past the tops of the trench.
Flush debris when needed to ensure unhindered water flow.