One of the most common uses of a French drain is to draw in water that has formed puddles or large pools on the surface. The drain pulls in water from the saturated soil by providing an easy path for the water to follow. It's then redirected to a more suitable drainage location, like a municipal wastewater drain.
What does a French drain look like?
Why would a house have a French drain?
A French drain carries water or rainwater onto another sloped area so that pooling in order to stop pooling in a yard or close to a house's foundation. There are various kinds of French drains, but all have the same function.
When should you not use a French drain?
French drains are supposed to take water out of the soil, not introduce it into the soil. If you live in an area that gets light rain often instead of heavy rain, a French drain might actually cause more damage to your foundation by increasing the hydrostatic pressure on your concrete.
What are the disadvantages of a French drain?
- Installing a French drain may be dangerous if there are water, power or communications lines buried in the vicinity.
- Digging may disturb natural water flows and can cause affected water to pool.
How do you extend an outdoor drain pipe?
- Step 1: Lay out the Trench.
- Step 2: Mark the Trench Line.
- Step 3: Dig the Trench.
- Step 4: Lay out the Pipe Lengths and Fittings.
- Step 5: Install the Starter Elbow.
- Step 6: Insert Adapter and Reducer.
- Step 7: Continue Installation.
- Step 8: Begin Second Downspout.