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Chicago Basements: Waterproofing with French Drains

waterproofing with french drains

If you are dealing with a problem of frequent water infiltration into the basement of your Chicago home, you know how difficult and costly this problem can be.

A wet basement is not only a drain on your finances, but it also poses a threat to the structural integrity of your building and subjects the home to the risk of mold with its attendant problems, says Golden Properties.

When addressing this issue, you don’t want to wait until water seeps into your basement before you act. Instead, you want a solution that lets you keep water out of your home.

French drains are one of the best waterproofing measures for combating water seepage in the basement. A French drain collects water from the soil to channel it away from your building.

How French drains work?

French drains do not try to keep water out of your basement. The system assumes that water will find its way into your basement. Instead, the French drain keeps that water from seeping into the foundation. Here is how it does it.

French drains are constructed by laying perforated or flexible corrugated pipes in a shallow trench with gravel at the bottom. This trench is backfilled and slightly compacted to keep the pipes in place.

Water that enters the basement or excess water in the soil flows into the French drain via the holes in the pipe. Under gravity, this water is channeled to a sump pit inside the basement or a discharge point in the yard.

By relieving hydrostatic pressure on walls, floors, and the foundation, French drains keep the soil from becoming over-saturated with water. It solves a problem that sealing the cracks and plugging the holes in the foundation cannot address.

Does your Chicago home need a French drain?

If you are currently dealing with any of the issues listed below, a French drain could be the right solution for the drainage problems  in your Chicago home:

  • Your basement or yard is soggy due to persistent seepage or flooding
  • Your home is located in an area with heavy rainfall and high water tables
  • The soil on your property is poorly drained, or the ground has inadequate grading
  • Your home’s foundation is already cracked, or you have porous masonry
  • You want to improve the existing waterproofing measures in your basement
  • You want a waterproofing solution that is long-term and doesn’t hurt the home’s aesthetics
a french drain installation on a chicago property

Installing a French drain is a major construction project. This is why you might need a professional French drain installation company or basement flooding service provider for this job.

Installing a French drain on your Chicago property

French drains are installed around your property, with a slope of one inch for every eight feet in the direction you want the water to flow. They are unobtrusive yet highly effective. Here are the steps for installing a French drain on your property:

  • Dig a trench: The trench is dug in the lowest area in the yard or basement. It should be excavated to a depth of 1-2 feet and a width of 1-2 feet.
  • Install fiber fabric: A layer of permeable filter fabric or weed barrier is laid inside the trench, with at least 10 inches of excess fabric at the sides. For the best results (optimal water flow and erosion prevention), use medium-weight fabric (4-6 ounces).
  • Add a gravel bed: Pour a layer of washed gravel or landscaping stone into the pit. It should be 3 inches thick after compaction. It is a good idea to add a layer of river rock on top for better filtration and ease of maintenance.
  • Lay perforated pipes in the pit: This is usually PVC or corrugated plastic pipes. After it is laid on top of the gravel bed, add more gravel to the sides and top of the pipe until it is well-covered.
  • Install an inlet grate: This should be positioned in the part of your basement where the water pools the most. The grate should be securely fastened and easy to access for cleaning.
  • Backfill the trench: After the pipes are laid and covered with gravel, pull the excess fabric over the gravel until the edges overlap and the entire system is hidden. Backfill the trench and compact lightly to ensure the pipes stay in place.
  • Sump connection: Connect the French drain to your sump basin, collection pit, or the location in your yard where you want the water to be discharged.

Finally, remember that installing a French drain is a major construction project. This is why you might need a professional French drain installation company or basement flooding service provider for this job.

Additionally, French drains need to be maintained periodically, as they tend to clog with time or if there is heavy rain. The quality of the French drain installation affects its performance and determines how easily you can maintain the system.

Speaking with an experienced Chicago professional French drain installation and basement flooding service ensures the lowest cost and best results when installing a French drain in your basement.

Should I Have a French Drain Installed on My Property?

Should I Have a French Drain Installed on my Property

Low ground and poorly draining soil make it simple to have standing water in your yard. Unfortunately, this could endanger your property in addition to being a bother. Stagnant water can harm your home’s value and necessitate expensive future repairs by causing damage to your lawn, trees, basement, and foundation. French drains come in various shapes and names, including trench drains, rock drains, and drain tiles, to mention a few. The fundamental elements of this drainage system stay the same regardless of configuration. It functions like a gutter system for your yard, diverting water from your house. There are many benefits to this system. In this article, we at Chicago Plumbing Experts want to share whether you should have a French drain installed on your property.

Having a French drain installed prevents water damage

French drains can be an excellent way to stop water from damaging your house or other property. This is so that excess water diverts away from the walls, basement, and foundation. Unfortunately, water buildup near a building’s foundation over time may erode the structure’s structural integrity. This caused expensive damage. If the water around the foundation is not properly drained, it may seep into the walls and lead to mold and mildew, contaminating the air. You can redirect water using French drains to different parts of your home. Doing this lowers the water pressure, preventing seepage into the foundation. French drains can reduce soil saturation and damage, eliminate floods, and avoid standing water around your home or business.

The French drain installed on the property could save you considerable money in repairs. It also protects your property from water damage. Water damage can significantly damage your property value, making it difficult to sell when potential buyers spot it. And there is a good reason for this. Experts at evlmoving.com advise us to inspect the property for water damage before we move in. Not only will it require repairs, but it can also indicate a broader problem with a home’s plumbing system.

Reducing Soil Erosion is another benefit of having a French drain

By diverting extra water from the soil, which can cause erosion, French drains can help decrease soil erosion. Water that collects in one place and percolates through the soil can generate soil erosion, which can damage flora, expose roots, and result in other erosion problems. French drains provide the water a different route, stopping it from pouring over the top of the soil and allowing it to move through the soil more slowly, decreasing soil erosion. By diverting water from the ground, we can lessen soil saturation and preserve the soil’s organic composition. This is especially helpful during colder months when many plumbing problems arise.

French drain installed on the property reduces soil runoff by rerouting water away from your yard. Soil runoff carries topsoil, boulders, and other debris and can cause erosion in other areas of your yard. They work well in locations with significant erosion or where water collects and floods. This can happen in your yard’s low-lying sections. The bottom of slopes where water naturally flows can also be affected. Without adequate drainage, the water can build up in these places, causing soil saturation, plant damage, and mosquito and other insect breeding grounds. Therefore, French drains can aid by redirecting the water to different sections of your yard or a stormwater system, preventing water pooling and flooding in these locations.

A field of fertile soil.

French drain installed on a property can save your soil from the great damage that heavy rain can cause.

It reduces flooding effectively 

French drains are an excellent tool for reducing flooding. This is especially true in regions that frequently get heavy rain or have poor soil drainage. In specific locations, standing water on the ground can cause floods, wash away yards, and damage building foundations. Thanks to the French drain installed on property, your yard’s excess water will have a path. Doing this directs the water to an appropriate region, such as a drainage ditch, stormwater system, or a place with good drainage. Rerouting water may shield your property from costly water damage and prevent floods and water pools.

You can build French drains in various locations, and their efficiency can be increased by incorporating a sump pump or vacuum system. The system’s water drainage capabilities can benefit your garage, cellar, or other low-lying areas. These regions could be prone to floods, preventing water from entering or building up at the property’s foundation. Installing a French drain might be a practical way to lessen the consequences of a flood or prevent one from happening if you live in a flood-prone location.

Improving Soil Drainage is another benefit of this system

When natural drainage is inadequate because of heavy soil or a high water table, French drains can help to enhance soil drainage. When the earth is full of water, it can quickly run out of oxygen, causing plant suffocation and other issues with the soil. By letting surplus water drain from the ground, lowering the water saturation level, and raising the oxygen levels in the soil, French drains can aid in bettering soil drainage. A perforated pipe surrounded by gravel or other aggregate materials makes up the French drain system. The tube can be strategically positioned at the proper depth to quickly divert water from the earth. By improving soil drainage, French drains can maintain healthy plant growth. It also prevents root rot and other soil-related issues.

A woman working with soil in her garden.

If not drained, soil can cause the roots to rot, preventing plants from absorbing water.

French drain system saves your money

A French drain can save you money in the long term by averting water damage and expensive repairs. Over time, water damage to your property can result in costly repairs and a decline in value. You may lessen the possibility of water damage to your foundation, walls, and basement by installing a French drain around your home. Reducing soil erosion, avoiding floods, and safeguarding your landscaping are all benefits of preventing water from collecting around your property. Installing a French drain can help avoid home and property damage and the associated costs. Many other plumbing problems can be avoided if maintained properly, saving you a lot of money. So, always check your plumbing system.

A woman holding dollar bills in her hands.

You can install a French drain by yourself, and the process is easy and quick, so you won’t have to spend money on a plumber.

When it comes to keeping your property well maintained, plumbing needs to be perfect. If not, there can be a lot of damage. So in this article, we wanted to share all the benefits of having a French drain installed on your property.

Stop Yard Flooding in Its Tracks with a French Drain

Stop Yard Flooding in Its Tracks with a French Drain

Stop Yard Flooding in Its Tracks with a French Drain 

Damaged landscaping, increased risk of lawn disease, mosquitoes in the yard or water draining from your yard into your neighbor’s property; are just a few of the problems you get from having standing water in your yard. This flooding doesn’t have to be massive to cause major issues. Just one inch of water in the yard can cause you more than $25,000 worth of damage.

What causes yard flooding?

To prevent flooding caused by rainfall, Sage Property Management explains most homes are built in a way that allows runoff to be directed toward the front of your house, so it can be channeled safely to the city’s stormwater management system. For most homes, this design works perfectly. But, if the slope in your yard is not sufficient to let rainwater runoff, there will be flooding around the house.

If your home regularly experiences incidences of yard flooding, what can you do about it?

French drains: the best way to protect your yard from flooding

There are many ways to prevent or minimize floods in your yard. But the most effective solution is to have a French drain installed on your property.

French drains are preferred to any other method because:

  • French drains are the most versatile solution for the long-term management of yard flooding.
  • The practical, highly affordable and reliable, whether used for flood response or yard drainage.
  • French drains can last 30-40 years, and they won’t alter the aesthetics of your property.

What is a French drain? How do they work, and how can you install one in your yard?

Installing a French drain

In simple terms, a French drain uses gravel and perforated/corrugated pipes to direct water from higher to lower ground. It is a trench dug in the area of your yard with the most flooding issues. This trench contains a perforated pipe, wrapped in water-permeable fabric and encased with a layer of stone or gravel before being covered with soil.

After heavy rainfall, excess water that collects in the yard will find its way into the French drain before being moved to a location where it won’t cause problems. This water percolates downward through the soil under the pull of gravity until it is drawn into the French drain, flowing through spaces in the layer of gravel and the pores of the water-permeable fabric.

To install a French drain in your yard, you need the following:

  • Landscape fabric: For the best results, use non-woven geotextile fabric that weighs 4 ounces per square yard (minimum). Make sure the fabric is designed for drainage and not for separation.
  • Stones or gravel: Avoid rounded stones; angular stone or gravel with particle size ranging from 3/4 – 2 1/2 inches is best. Base gravel #3 will work for most installations.
  • Drainage Pipe: 4-inch perforated PVC or 4-inch perforated corrugated plastic are the two most-used materials. If you need to go around corners, use a corrugated pipe.
  • Catch basins: These make it easy to clean the French drain.

To install the French drain, follow these steps:

  • Decide where you want the water to go. Remove about 3 inches of sod from the area where the trench will be. Lay this aside to be reused when you complete the trench.
  • Dig the trench using a shovel or mini excavator with a 12-inch bucket. The trench should be around 10-18 inches deep (shallow at its beginning and deeper as the slope increases).
  • The trench should slope at 1 inch for every 8 feet to ensure it directs water downhill. You can verify this by measuring the trench with a hand level or a rotary level.
  • Flatten the bottom of your trench with a hand tamper. Lay the fabric over your trench with the edges falling over the sides of the trench. 

french drainage tile before being installed.

  • Place the pipe inside the trench, on top of the fabric. If there are more than 100 feet of trench, join the pipe sections with pipe connectors and waterproof tape.
  • Install your catch basin to serve as easy-to-reach cleanouts for the French drain at every 100 feet interval or shorter.

a puddle from flooding.

  • Backfill the trench with gravel, and ensure there is gravel around the sides of the pipe and 4-6 inches of gravel on top. The more gravel you have in the trench, the better.
  • Wrap everything by pulling the edges of your fabric so they overlap on top of the gravel. You may use duct tape to secure those edges.
  • Lastly, backfill the trench with soil and replace the sod you removed at the beginning.

Finally, is this a project you can do on your own? The answer is YES and NO. Yes, because you should not have any difficulties following the instructions above. No, because you can damage utility lines when digging the trench or expose your home to foundation issues. That is why it’s always a good idea to talk to an expert before you install a French drain on your property.