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MoldEx & LumberKote2026-10-22T10:54:52-05:00

Crawl Space Mold Treatment & Wood Sealing in Oklahoma City

Address existing mold and help protect crawl space wood from future growth with MoldEx and LumberKote from Vesta Foundation Solutions.

Why Mold Takes Hold in Oklahoma City Crawl Spaces

Crawl space mold develops when moisture lingers around wood framing. Humid air, damp soil, leaks and water intrusion can elevate moisture levels, creating the conditions mold needs to develop on joists and subfloors. You may spot white or gray growth, musty odors or changes to the floors above.

Left unaddressed, ongoing moisture can contribute to dry rot damage, softened wood and sagging floors.

Symptoms

Signs You Might Need Crawl Space Mold Treatment

Mold in a crawl space isn’t always obvious from inside your home. Some signs show up on the wood below, while others appear as odors or changes to the floors above. A professional inspection may be in order if you notice:

  • White, gray or dark growth across floor joists or subflooring
  • Lingering musty odors in the crawl space or living areas
  • Wood that looks damp, stained or discolored
  • Condensation or elevated humidity below your home
  • Cupping or other changes to the floors above
  • Mold that returns after cleaning

Our MoldEx & LumberKote Crawl Space Treatments

  • Treats Existing Mold on Crawl Space Wood

    MoldEx Mold Treatment

    MoldEx is applied directly to the affected floor joists, subflooring and other wood surfaces to treat existing mold and staining. The treatment gets into areas where growth is present, helping clean and restore the appearance of the wood. Once treated, crawl space framing looks cleaner and is ready for any additional moisture-control or protective steps the home may need.

    • Treats the existing mold growth on crawl space wood
    • Applied straight to affected joists, beams and subflooring
    • Helps address mold before protective sealing or other crawl space improvements
    • Reaches difficult-to-access wood surfaces throughout the crawl space
    • Helps clear visible mold as part of a broader moisture-control strategy

  • Protects Crawl Space Wood After Treatment

    LumberKote Framing & Subfloor Sealer

    LumberKote is a protective coating for crawl space floor joists, beams and subflooring. It puts a durable barrier over the wood to help shield treated or vulnerable surfaces from future moisture-related damage and mold growth. Once applied, the framing has a clean, uniform finish that adds a visible layer of protection throughout the treated area.

    • Helps shield wood from moisture, moisture-related damage and wood-destroying mold
    • Built on advanced polymer technology
    • Certified FEMA Flood Grade rated
    • Helps dry and stabilize the lumber’s moisture content, even when moisture-related damage has already begun
    • Includes a transferable, 30-year warranty
How It Works

What to Expect on Treatment Day

1

Treating and Protecting the Framing

Before treatment begins, your crew prepares the crawl space around what your inspection and moisture readings turned up. MoldEx is applied to affected wood surfaces and given time to work. If LumberKote is part of the recommended solution, it’s then applied to the appropriate framing and subfloor surfaces to leave a protective coating over the wood.

2

What Treatment Day Is Like for You

Most of the work happens below your home through the crawl space access, so the disruption to your daily routine is typically minimal. Many treatments are completed in about a day, although larger crawl spaces, heavier mold growth or additional repairs may require more time. In most cases, homeowners can remain in the home while the work is completed.

How to Keep Crawl Space Mold from Coming Back

Treating existing mold is only half the solution. If excess moisture stays in the crawl space, conditions can turn favorable for new growth. That’s why Vesta Foundation Solutions also looks for the source of the moisture rather than focusing only on what’s visible on the wood.

Depending on the crawl space, the solution may include controlling humidity, addressing water intrusion or sealing the space from outside air and ground moisture. Encapsulation and other crawl space repair solutions can help produce a drier environment and limit the conditions mold needs to grow.

Benefits

Crawl Space Mold Treatment You Can Rely On in Oklahoma City

Mold in your crawl space can have several causes, which is why treatment shouldn't be one-size-fits-all. Vesta Foundation Solutions inspects your crawl space for mold growth, wood condition, humidity, water intrusion and other conditions that may be contributing to the problem.

We'll recommend the right approach for your home, whether that includes MoldEx, LumberKote or additional moisture-control solutions. Schedule a free crawl space inspection in Oklahoma City and get a written estimate for your recommended repairs.

What To Expect

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Customer Information

Don't just take our word for it

See what our customers have to say about our work.

This is for logan and rolo who showed up at the appointed time and did a great job. they had a breakdown of equipment and had to come back the day after but were prompt to finish the job. During the repair, a car became stuck in a neighbors driveway and they were the first to help the person- to help someone else in need. I was really impressed with that. I give a 5 star review and rating. I plan to do additional work because they would be doing it. I enjoyed their friendliness and workmanship.

Brent M. | Coweta, OK

Everything went as expected, maybe a little better! Very nice crew, enjoyed the installation all around!

Bob H. | Tulsa, OK

Gino H. from Shawnee, OK purchased a charming old home built in 1939 with a full basement. Expanding soils that are so prevalent in many areas of OK exert an enormous pressure on foundations. As a result, most homes with full basements will eventually develop some sort of structural issue over time. When Gino learned about the problems, he decided to call Vesta Foundation Solutions for help. In this video, he speaks about his experience with the company. He is so happy with the service that he is hiring the company again, to repair another one of his properties. “I would absolutely recommend Vesta Foundation Solutions to any friends or family,” says Gino.

Gino H. | Shawnee, OK

“We knew something wasn’t right when the doors stopped closing properly and cracks started showing up. The Vesta team walked us through everything with total transparency. The crew was professional, fast, and left our place cleaner than they found it. Now our home feels solid again, and we finally have peace of mind.”

David R. | Luther, OK

“I’ll give the guys (Cory and Jose) a great 5+ rating. Great, efficient installation. They were very pleasant and professional.”

Nancy S. | Guthrie, OK

“We had no idea how bad things had gotten under our house until the Vesta team showed us the damage. They were honest, thorough, and explained everything clearly. The crew worked efficiently, replaced the damaged wood, and gave our floors the support they needed. It’s such a relief to walk through the house and not feel everything shifting. We’re incredibly thankful for the work they did.”

Sally B. | Nicoma Park, OK

Bryan and Cornileus were amazing. Our project was huge and required a lot of heavy lifting. Every day, they came to work with smiles on their faces and were hardworking the entire time. Bryan was great at communicating the process and what to expect. He would call me every morning to let me know where he was and at what time to expect him. Very reliable. They both are great around kids and were a joy to have in our home! Thanks guys!!

Shelby D. | Crescent, OK

I had a sinking concrete apron around my pool. I was considering replacing the concrete, which is very expensive, or “mudjacking” the concrete back in position. For about the same price as mudjacking, I hired Vesta Foundation Solutions to inject a polymer in the ground and bring the concrete back in position. I was very pleased with the results, and I feel I saved a considerable amount of money from other solutions available to me. William Blake, the hands-on owner, did an excellent presentation of his product. The work was completed in a timely manner by Adam and Daniel, who took extra time to explain the process as they were doing the work. The work site was cleaned up when the fellows were finished, and Mr. Blake reviewed the finished work to ensure I was satisfied. I am very satisfied with this type of concrete lifting process, and I can certainly recommend the workforce at Vesta Foundation Solutions for their professionalism, thoroughness, and friendliness in getting the work done.

David O. | Edmond, OK

Ricardo and his team did an excellent job installing my 10 piers. He was very informative, polite, and took good care of my yard and my house. Definitely would use them again.

Mia J. | Edmond, OK

Before & after photos

Check out before and after photos from some of our completed projects.
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Find Your Local Vesta Location

Vesta Foundation Solutions of Oklahoma City and Arkansas are the experts for concrete leveling and repair, foundation repair, basement waterproofing and crawl space repair and more. We proudly service Fayetteville and all of Greater Fort Smith surrounding areas in Arkansas, Oklahoma City, Tulsa, Edmond in Oklahoma.

Frequently Asked Questions

Can I just spray the mold on my floor joists myself? 2026-10-05T11:29:52-05:00

Spraying visible mold may clean the surface, but it likely won’t address growth in other areas or the moisture problem behind it. Some household cleaners can also discolor or damage wood without offering lasting protection. A crawl space professional can determine how widespread the problem is, treat affected surfaces and identify what needs to change to help keep the mold from returning. 

How much does crawl space mold treatment cost in Oklahoma City?2026-10-05T11:29:06-05:00

Crawl space mold treatment costs differ based on the size of the crawl space, the amount of wood affected, the treatment required and whether moisture or structural problems also need attention. Since every crawl space is different, an inspection is the best way to pin down the scope of work. Vesta Foundation Solutions offers free inspections and estimates for homeowners in Oklahoma City.

Does LumberKote prevent mold from coming back?2026-10-05T11:28:18-05:00

LumberKote helps shield crawl space wood, but long-term protection also depends on controlling the moisture that contributed to mold or wood damage in the first place. If the crawl space has high humidity, water intrusion or other moisture problems, Vesta Foundation Solutions may recommend additional solutions to keep the space drier and help protect the framing long term. 

How long does MoldEx and LumberKote treatment take?2026-10-05T11:27:34-05:00

Treatment time depends on how large the crawl space is, the amount of affected wood and whether other repairs or moisture-control measures are needed. MoldEx and LumberKote are often part of a larger crawl space repair project, so the overall timeline varies from home to home. Vesta Foundation Solutions will explain the recommended treatment and the expected installation timeline once we’ve inspected your crawl space. 

Do I need mold treatment before crawl space encapsulation?2026-10-05T11:26:40-05:00

If active mold is present, it should usually be addressed before the crawl space is encapsulated. Encapsulation helps manage the moisture conditions that allow mold to grow, but it doesn’t clear existing growth from joists or subflooring. Vesta Foundation Solutions can look at both the mold and its moisture source to determine whether treatment, encapsulation or a combination of solutions is appropriate.

Is mold in a crawl space dangerous to my family?2026-10-05T11:25:38-05:00

Mold in a crawl space shouldn’t be ignored. Mold spores and musty odors can move with air from the crawl space into the living areas above, potentially impacting indoor air quality. The level of concern depends on the type and extent of growth and individual sensitivities. A professional inspection can evaluate the extent of visible growth and, equally important, the moisture conditions allowing it to develop. 

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