Here’s a step-by-step guide to installing a French drain on your client’s property.

1. Decide on the best location

Determining the best location depends on where the problem areas are located, nearby elevation, and the condition of the soil. Use the design tips above to help with siting to ensure proper slope, depth, and more. When it comes to the soil, sandy soil located in an out-of-the way area is preferred.

2. Prepare to dig

It’s your customer’s French drain, but it doesn’t affect only them or you. City codes must be considered, and you need to be aware of how your newfound drainage solution will affect their neighbors. This is also an ideal time to contact the local utility company to have any underground lines marked before digging begins. Once you start digging your drain depth will need to be anywhere from eight inches to two feet, depending on your needs and available options.

3. Measure the grading

This process begins by pounding two stakes into the ground to mark the dimensions of the trench. A taut string is tied between them, allowing for easy grade measurements as the digging process begins. Regular measuring checks will be performed throughout the process.

4. Dig a trench across the slope

Digging the trench is the most labor-intensive portion of the project and as it is being dug, constant grading measurements are necessary. The width of the trench will depend on how large the drainage problem is. Smaller drainage problems can be handled with a trench that is 5 to 6 inches wide, while larger problems will require a larger trench.

5. Add the fabric

Once the trench has been dug, it will be lined with landscape fabric, and then additional gravel is added. This fabric prevents dirt from mixing with the gravel and promotes water percolation. Once the fabric has been applied, a light load of gravel is shoveled over the top so the corners of the fabric can be wrapped around this gravel, holding it in place.

6. Add the pipe

Place a slotted or perforated pipe at the bottom of the trench. The pipe needs to be directed towards an outlet to drain away from the home.

7. Fill with gravel

The drain is nearly complete. Now the gravel of whatever size you choose will be shoveled in. Once the gravel is in, top it with another layer of landscape fabric and then cover it with topsoil and new sod.

For more information contact your local Wolf Creek Company representative. 

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