Crawl Space Cleaning

Do I need a French drain in my crawl space?

Standing water in the crawl space is directed to a sump pump using French drains. They can also be built to channel water away from the foundation wall. Waterproofing drains are required if water enters your crawl area after heavy rainfall.

What can I do instead of a French drain?

Swales, also known as valleys, are an alternative to French drains for collecting and diverting rainwater. Swales are shallow ditches that are devoid of pipelines. They are frequently found around the perimeter of a property, following the natural grade of the terrain to funnel runoff to ditches or wooded areas.

Is a swale better than a French drain?

French drains have a more practical role by diverting water away from the foundation. Landscapers, on the other hand, frequently propose swales as a general-purpose drain. Swales aren't often a choice in cities because they require vast lots to shape effectively.

Can you build a French drain without pipe?

But you don't necessarily need a foundation. If your soil drains well, simply dig the trench and fill it with 3 to 4 inches of 3/4-inch drainage rock, depending on the depth of the trench.

How deep should a crawl space French drain be?

Many water-diverting projects should be 8 inches to 2 feet deep, though related systems, such as those created around foundations and sub-ground living spaces, as well as the bases of retaining walls, may be deeper.

Why do French drains sometimes fail?

A French drain can become clogged over time. Tiny soil and clay grains pass through the pores of the landscaping fabric and accumulate inside the pipe over time. Root infiltration from grass, shrubs, and trees is another typical source of French drain jams.

Do French drains work in the winter?

In a frigid area, a French drain will suffice. To function successfully in these bitter cold settings, the French drain must be installed below the frost line. This is necessary for the drain to function all year long, without interruptions such as freezing.

Can you put a French drain under your house?

French drains can be constructed around foundations as well as beneath basements. When moisture is expected to enter the house through the basement floor, the second step is frequently taken. The pipes installed beneath the basement capture and direct water away from the foundation.

How far away from a house should a French drain be?

Installing french drains 3 feet from the house is a decent rule of thumb. Before building the french drain system, take measurements around the porch, patio, basement, and deck.

Can you run downspouts into French drain?

A French drain is a network of pipes constructed in trenches dug beneath the earth that allow water runoff to pass through. This structure is affixed to your downspouts and works in tandem with your current gutters.

When should you use a French drain?

French drains are commonly used to drain groundwater from gardens and around building foundations. French drains are meant to transport water trapped in the earth away from or towards a certain place. They work best in soil that is frequently saturated by rain or flooding.

Do French drains need maintenance?

A French drain requires little frequent maintenance to function. However, garbage and leaves can accumulate in the drainpipe's openings over time, reducing its efficacy. Clean out and snake the French drain once a year to avoid this.

Where does French drain water go?

French drains allow water to flow easily through a canal. Water flows into a gravel-filled trench, then into a perforated pipe at the trench's bottom. Water flows easily via the pipe, which drains safely outside the home.


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Please take a few seconds to read our responses to the most frequently asked questions about our services.

How long will a French drain last?

French drain will endure between 30 and 40 years. However, the aforementioned reasons may reduce its life cycle, necessitating its replacement by a team of foundation professionals.

What is the difference between a French drain and a trench drain?

The distinction between a French drain and a trench drain is that a French drain is used for underground water, whilst a trench drain is utilized to divert surplus water from the surface.

Do you need planning permission for a French drain?

Installing a French drain does not require planning permission unless you live in a conservation area.

Can I use landscape fabric for French drain?

Non-woven geotextile fabric is the ideal solution for drainage applications where water flow is the most important factor. Nonwoven landscape fabric is frequently used in French drains, drain fields, and erosion control.

What is the best pipe to use for a French drain?

French drains are normally built with black corrugated pipe, although there are arguments for using white PVC pipe as well.

Cities We Proudly Service

To see all of the cities where we provide crawl space waterproofing services, use the dropdown menu below.

Service Areas

Guilford County, NC

  • Browns Summit, NC

  • Climax, NC

  • Colfax, NC

  • Gibsonville, NC

  • Greensboro, NC

  • High Point, NC

  • Jamestown, NC

  • Julian, NC

  • Mc Leansville, NC

  • Oak Ridge, NC

  • Pleasant Garden, NC

  • Sedalia, NC

  • Stokesdale, NC

  • Summerfield, NC

  • Whitsett, NC

Alamance County, NC

  • Alamance, NC

  • Altamahaw, NC

  • Burlington, NC

  • Elon, NC

  • Graham, NC

  • Haw River, NC

  • Mebane, NC

  • Saxapahaw, NC

  • Snow Camp, NC

  • Swepsonville, NC

Forsyth County, NC

  • Belews Creek, NC

  • Bethania, NC

  • Clemmons, NC

  • Kernersville, NC

  • Lewisville, NC

  • Pfafftown, NC

  • Rural Hall, NC

  • Tobaccoville, NC

  • Walkertown, NC

  • Winston Salem, NC

Crawl Space Encapsulation
Crawl Space Vapor Barrier
Crawl Space Mold Removal
Crawl Space Waterproofing
Crawl Space French Drain
Crawl Space Sump Pumps
Crawl Space Cleaning
Crawl Space Insulation
Crawl Space Dehumidifiers
Crawl Space Water Removal
HVAC Duct Cleaning

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Contact Information

Phone: 336-707-0498

Address: 4805 Woodcock Dr, Greensboro, NC 27406

Business Hours:

Mon-Fri: 8:00 AM - 5:00 PM

Sat- 7:30 AM -12:00 PM

Sun: Closed



Servicing Greensboro, NC and Nearby Cities

Clean Air solves moisture and mold problems in Greensboro, NC and the surrounding areas by providing crawl space and basement waterproofing, crawl space encapsulation, and foundation repairs.

Related Services in Greensboro, NC

Please see the list of frequently requested services below. If you have a flooded crawl space due to a lack of a french drain or sump pump, we can help. If mold development has occurred in your crawl space as a result of high humidity levels, we will ensure that it remains clean, dry, and healthy!

Crawl Space Vapor Barrier Installation

Installing a vapor barrier in the crawl space is a low-cost solution to moisture control problems. Vapor barriers in the crawl area are used to keep moisture, water, and damp air from entering the home via the floor. This helps to prevent the spread of mold and mildew, which can cause structural damage and make living conditions uncomfortable for your family!

Crawl Space Mold Remediation

Mold removal from the crawl space is one of the most important chores in resolving moisture control issues. Mold may quickly become a major issue in a home, and those that move fast to clean up and treat the situation have a higher chance of keeping it from spreading. If you eliminate the mold before it spreads throughout your home, you will save time and money.

Crawl Space Waterproofing

Crawl Space Waterproofing is a must-have. It not only protects your home from water damage, but it also protects you from the health and safety risks that mold brings!