Table of Contents
Plan the Location. Figure out where the excess water is pooling and where you want it to go. Dig a Trench. Line the Trench with Filter Fabric. Pour the Gravel Bedding. Hook Up the Pipe Connections. Set the Pipe Drain in the Trench. Cover with Gravel and Filter Fabric. Backfill with Topsoil.
How deep should a French drain be around a house?
French drain depth: About 8 inches to 2 feet deep should be sufficient for many water-diverting projects, though related systems, such as those built around foundations and sub-ground living spaces, as well as the bases of retaining walls, may be deeper.
Can you put a French drain next to foundation?
It can be placed inside a basement or outside along the foundation. If water pressure beneath the slab forces water into the basement via the joins of wall and floor or through cracks in the foundation, then a French Drain will be placed inside the basement along the wall and floor joins.
How do I install a drainage system around my house?
How to install a Perforated Drainage Pipe Step 1: Dig the trench. Prior to doing any digging, you’ll have to prepare your property. Step 2: Create a proper slope. Step 3: Level the soil. Step 4: Add geotextile and gravel. Step 5: Place the pipe. Step 6: Finish.
Do I need a French drain around my house?
The location of your home may have been extremely attractive when you bought it, but a home on low ground needs help from a French Drain. Your home can flood easily because gravity is pulling water to the house during a rain storm. The French drain takes advantage of gravity to prevent flooding.
Does French drain need an outlet?
A properly designed French drain system does not require an outlet. The water will simply soak into the soil as it flows along the perforated pipe. In fact, a French drain doesn’t require an inlet on just one end either.
How do I keep water away from my house foundation?
Proper drainage is the best way to keep water away from your home’s foundation. Install a French drain system around the house foundation – Dig a trench around the foundation, line it with gravel, and place a drain with perforations in it to pull the water away. Cover the drain with gravel and add soil over it.
What is the difference between a French drain and a trench drain?
Aside from what we’ve listed here, the difference between a French drain and a trench drain is that a French drain is used for water that is underground while a trench drain diverts excess water from a surface.
How far should French drain be from foundation?
Recommended French Drain Installation Distance We recommend installing the french drains between 2 and 5 feet away from the foundation. There are a few variables that impact the exact distance to dig the new drain lines to carry water away from your home.
Will gravel around house help drainage?
Gravel Beds Provide Natural Drainage Water drains more quickly through gravel compared to most types of soil, so puddles form less-readily on gravel-covered pathways and borders than they do on soil surfaces. In order to get the best drainage results, the soil must slope away from the foundation.
Where do French drains go?
Where are french drains placed? French drains are placed either on the outside of a structure, or on the inside. In California, the inside version is less common, since these generally go inside basements, which few houses have.
Whats better than a French drain?
If you have a negative sloped yard (which slopes toward your foundation), a surface drainage system is a better choice than a French drain. Sloping of more than 1”-1-1/2” on a 10′ run can result in excessive amounts of water seeping beneath your house.
When should a French drain be installed?
When You Need a French Drain When you have a problem with surface water, such as a soggy lawn or a driveway that washes out. If water is getting into your basement. If you’re building a retaining wall on a hillside.
How long will a French drain last?
Properly installed drains use advanced plastic sheeting called geotextile to protect the drainpipe from a blockage. French drains can last decades before needing maintenance. If your home requires a sump pump, a high-quality model will last around ten years before needing replacement.
Does a French drain need to be sloped?
French drains need to have a slope of at least 1 percent, so the force of gravity will work for you. This means that the drain should slope down a total of at least one inch for every 10 feet of pipe.
How shallow can a French drain be?
Add a Layer of Topsoil to Drainage Ditch Dig a trench along the outside of your footing. The trench should be at least 2 feet wide, and can be as deep as 6 feet for a basement or as shallow as two feet for a slab-on-grade home.
Can I cover a French drain with dirt?
Can I cover a French drain with dirt? Because a French drain has holes throughout the pipe which allow it collect water, you should not install dirt on top of the drain pipe. Installing dirt will clog the pipe and the holes, rendering it useless.
Can you do a French drain without pipe?
Installing a French Drain Without a Pipe When you omit the pipe from a French drain, you’ve basically got a trench drain. If your soil drains well, you can simply dig the trench and cover the bottom with 3 to 4 inches of 3/4-inch drainage rock, depending on the depth of the trench.
