Installing a French drain involves physical labor, but is well worth your effort. Locate and mark the area where water tends to stand for long periods of time..The most reliable way to eliminate undesirable, free standing water is to install French drains with slotted pipes, filter fabric and gravel. The old way of installing French drains is to do it without the gravel and the fabric. Without the gravel and the fabric, however, the drain can clog up with sand and soil over time..How to install a French drain. How to build a long lasting French drain. Trench digging and drywell building .In the next step of building a French drain, place the drain pipe on top of a fabric lining. Add gravel until the pipe is completed covered. There should be inches from the top of the gravel to the ground..
Installing French Drains . Dig a trench along the outside of your footing. Lay the pipe on the virgin soil. Cover the pipe with at least inches of washed gravel. Lay filter fabric over the gravel to prevent any soil from clogging the pipe. Back fill the foundation with top soil back to its original grade height .