What should be the elevation of a French drain?
For proper drainage, the trench and pipe system should always drain from a higher elevation and let out water at a lower elevation. Always direct the water away from your home. Before the French drain installation, make sure your neighborhood has no zoning restrictions and get necessary permissions.
Where to install an inlet grate for a French drain?
Install an inlet grate at the point where the water pools the most. Secure as many fittings as necessary for your pipe system to extend from the inlet grate to the water outlet point.
What happens if a drain pipe slopes too much?
A pipe that doesn’t slope enough, won’t drain. A pipe that slopes too much drains water but not solids. If you’re installing a drain pipe, here’s an easy way to figure out the slope for a drain pipe.
How to dig a trench for a French drain?
1 Check for underground utility lines and pipes before digging. 2 The trench should be about 18 inches deep and 9 to 12 inches wide. 3 French drains need to have a slope of at least 1 percent, so the force of gravity will work for you. 4 Depending on the size of your trench, either dig the trench with shovels or rent a trencher.
For proper drainage, the trench and pipe system should always drain from a higher elevation and let out water at a lower elevation. Always direct the water away from your home. Before the French drain installation, make sure your neighborhood has no zoning restrictions and get necessary permissions.
Install an inlet grate at the point where the water pools the most. Secure as many fittings as necessary for your pipe system to extend from the inlet grate to the water outlet point.
A pipe that doesn’t slope enough, won’t drain. A pipe that slopes too much drains water but not solids. If you’re installing a drain pipe, here’s an easy way to figure out the slope for a drain pipe.
What kind of pipe do you need for a French drain?
Install an inlet grate at the point where the water pools the most. Secure as many fittings as necessary for your pipe system to extend from the inlet grate to the water outlet point. You can use inexpensive, flexible drainage hose if you need a curved drain, or longer-lasting PVC pipe if you want a more durable system.
