Crawl Space Drain Installation Services in Knoxville, Tennessee

Foundation Repair Service

Guardian Foundation Repair Offers A Variety Of Crawl Space Drain Services in Knoxville, Chattanooga and Tri-Cities.

Crawl Space Drain Services

Guardian Foundation Repair Offers Crawl Space Drain Installation and Solutions.

Crawl space drains are installed to remove excess moisture and standing water in your crawl space. A crawl space drain is a great alternative to exterior excavation and waterproofing in hard-to-reach areas. In order to maximize the effectiveness of the crawl space drain, a vapor barrier or encapsulation system needs to be added to help reduce the moisture levels and improve air quality in the crawl space.

What is a crawl space drain?

Crawl space drains are 4” corrugated perforated pipe with a sock cover, installed along interior footer to carry water to a sump pump or low spot allowing gravitational exit. The Drain is back-filled with gravel and in some cases masonry weep holes are needed in block wall to relieve hydrostatic pressure and allow water to enter drain system.

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Guardian Foundation Repair Testimonials


Guardian Came Through!

I had a significant issue with my homes basement walls. Guardian came through with the best solution and price. I highly recommend this company for any foundation issues. Extremely professional with attention to detail and military precision.

James Jones

Great Team!

We had a very pleasant experience dealing with guardian. They have a great team that knows what they are doing!

Christopher Smith

Under Time and Under Budget!

Great work in a timely manner. Did some block work and completed it under time and under budget. Great experience.

Russ Carvin

Great Work!

Closet doors are closing again!! Thanks for leveling our house where it had settled and broken the floor tile and made the doors jam up. Great work, clean respectful workers. No smoking, etc and I didn’t even have to ask!

Shawni Eaker

Highly Recommend!

The whole process was great. They were super transparent up front with what needed to be done and cost. Once they arrived to fix everything they kept in contact with progress and did a great job. Highly recommend them for any foundation related issues.

Jeffrey Higdon

Genuinely Care!

A job well done! The work was performed in a timely and professional manner. Each person I spoke with seemed to genuinely care about correcting the problem and not just completing a job. I am very pleased and highly recommend Guardian Repair for any foundation issues.

Scott Law

My Go-To for Foundation Issues

We have used Guardian on several homes and rental properties. They are efficient, dependable and very clean! They are my go-to for any foundation issues!

Shelby Quinley

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Common Questions About Crawl Space Drains

What is a crawl space drain?

It is a four inch corrugated perforated pipe with a sock cover, installed along the interior footer to carry water to a sump pump or to a low spot where it can leave by gravity. The drain is back filled with gravel, and in some cases masonry.

Why choose an interior drain over digging outside?

A crawl space drain is a good alternative to exterior excavation and waterproofing in hard to reach areas. Some houses simply do not have the access around the outside to excavate, and on those a properly installed interior drain does the job without tearing up what is above ground.

Does a drain by itself fix a damp crawl space?

Not completely. The drain removes standing water, which is the first job. To get the full benefit you also need a vapor barrier or an encapsulation system, because that is what brings the moisture levels down and improves the air quality under the house.

What is the sock on the pipe for?

It keeps soil and sediment out of the perforations so the pipe keeps draining years after it goes in. A perforated pipe without a sock silts up over time, and a clogged drain does nothing for you.

Still have a question? Call us at (865) 675-4177 and we will talk it through. The inspection and the estimate are both free.

Request a Free Estimate

Tell us what you are seeing and we will come take a look. The inspection and the written estimate are both free, with no obligation.

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