French Drain Depth And Width

Smaller drainage problems can be handled with a trench that is 5 to 6 inches wide while larger problems will require a larger trench.

French drain depth and width.

Depending on the size of your trench either dig the trench with shovels or rent a trencher. A french drain installed as part of new construction can easily be laid outside the basement following the foundation of the house. About 8 inches to 2 feet deep should be sufficient for many water diverting projects. The right stone or gravel.

How to install a long lasting french drain. Free shipping for orders over 75. The width of the trench will depend on how large the drainage problem is. Recommended depths can range from about 18 inches to 6 feet.

Both drains have the same mechanical design. Proper trench width and depth. A french drain pipe can help divert water away from your home s foundation patio or low lying areas to help prevent damage or pooling water. French drains do not necessarily need to contain piping in some cases to function as intended.

However most standard french drains are approximately 6 wide and 18 to 24 deep. Because there is a direct relationship between the diameter of a drain pipe and its relative effectiveness make your trench no smaller than 12 inches wide and aim for a depth between 18 and 24. Most french drains are done with a trencher due to the availability. The width and depth of the drain you dig will depend on the severity of the drainage problem and the digging tool you re using.

Sometimes a drain inside the basement will be required. Every rental center has one however a trencher can only trench a width of 6 8 wide once a 4 corrugated pipe is installed that does not leave much room for drainage stone. This means that the drain should slope down a total of at least 1 inch for every 10 feet of pipe. This type of drain can consist of a trench dug to an adequate depth and filled with graded gravel and rubble so the largest materials are at the bottom and the smallest are closer to the soil surface.

French drains can be built inside or outside of the house but outside the house is most common. Because it is less labor less haul away of soil and less drainage stone homeowners and. The depth of the french drain depends on the purpose for using it and the location. Free shipping for orders over 75.

French drains need to have a slope of at least 1 so the force of gravity will work for you.