Asked by: Xiaomei Basto
asked in category: General Last Updated: 4th June, 2020

How does water enter a French drain?

French drains provide an easy channel for water to flow through. Water runs into a gravel-filled trench, then into perforated pipe at the bottom of the trench. Water travels freely through the pipe, which empties a safe distance from the house. A drainage ditch.

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Herein, should there be standing water in a French drain?

If groundwater collects in the basement, it is not only an inconvenient eyesore for the homeowner, it can also lead to wood rot and mold. The most reliable way to eliminate undesirable, free-standing water is to install French drains with slotted pipes, filter fabric and gravel.

Beside above, will a French drain be enough? French drain depth: About 8 inches to 2 feet deep should be sufficient for many water-diverting projects, though related systems, such as those built around foundations and sub-ground living spaces, as well as the bases of retaining walls, may be deeper.

Similarly one may ask, do French drains work?

Most descriptions of a french drain involve a slotted or perforated pipe, a trench, geotextile fabric and gravel backfill. Properly constructed, french drains will work well to transmit water from the pipe to the exit of the pipe; however, they are not very efficient in dewatering poorly drained soils.

How do you put in a French drain?

Installing French Drains 01:50

  1. Dig a trench along the outside of your footing.
  2. Lay the pipe on the virgin soil.
  3. Cover the pipe with at least 12 inches of washed gravel.
  4. Lay filter fabric over the gravel to prevent any soil from clogging the pipe.
  5. Back-fill the foundation with top soil back to its original grade height.

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