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Crawl Space Mold Removal
Musty smell? Mildew on your floors? Mold under your house isn’t just gross, it’s a health hazard. At Dry Otter Waterproofing, we specialize in crawl space mold removal and long-term moisture control that gets to the root of the problem.
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What is Mold?
Mold is a general term for fungi that can grow in various colors, including black, green, white, and red. Mildew is often powdery and white, while mold can be fuzzy or slimy.
Your crawl space is the perfect target for mold growth, especially if you live in a warm, wet climate. This matters because the air in your crawl space is shared with the air in your home. Studies show that 40-50% of the 1st floor air in your home originates from the crawl space.
Mold can severely threaten your health and home’s integrity, so regularly monitoring your crawl space is vital.
If you find mold in your crawl space, it is time to call a professional for crawl space mold removal.
How Do I Know if My Crawl Space Has Mold?
Musty House Smell
If you notice a musty or earthy smell in your home, this is a tell-tale sign you have a mold issue. Often, this is the first sign of trouble and a good indication that it is time to call a professional.
Mold is visible
Look for white mold on walls, mold on floor joists, and black, brown, and green patches. Mold is usually found on joists, insulation, walls, and floors.
Mold can also grow on your crawl space’s ductwork, pipes, and other materials.
Water stains
Look for water stains in your crawl space. If you see water stains on the joists, walls, or floors of your crawl space, this clearly indicates that you need to call Dry Otter Waterproofing for crawl space mold removal.
Warped wood
If you see rotting or warped wood in your crawl space, the culprit is most likely mold.
Increase in respiratory issues
Mold can cause serious health issues affecting the respiratory tract, like allergies, asthma, and other severe respiratory infections. Mold spores can increase the severity of allergies and asthma in people who already suffer from these conditions.
If you see any signs of mold, cleaning a crawl space is the best plan to avoid the dangers associated with mold growth.
Causes of Crawl Space Mold
- Water damage: Any significant source of water can induce mold growth. Leaks, flooding, and even simple condensation are enough to cause mold growth.
- High humidity: Crawl spaces are close to the ground, so they naturally have a more humid environment. The dampness and lack of ventilation provide the perfect place for mold growth.
- Poor ventilation: Lack of airflow allows moisture to accumulate and sit in the space, creating the perfect conditions for mold growth from stagnant air.
- Organic materials: Things like wood and paper provide the materials that feed mold and encourage growth.
- Warm environment: Mold likes temperatures between 60 and 90 degrees Fahrenheit, and crawl spaces typically fall in that range. You can expect high temperatures in your crawl space if you live in a naturally warm climate.
- Lack of sunlight: Crawl spaces are usually dark with little to no sunlight. Sunlight is a natural mold killer.
- Cracks: Cracking in the walls or foundation of your crawl space allows moisture to enter the crawl space, promoting mold growth.
- Plumbing leaks: Often, plumbing runs under the house in the crawl space, and leaking pipes and drains provide the moisture needed for mold growth.
- Condensation and soil moisture: When warm air cools, moisture is released, and soil surrounding the crawl space can also influence humidity levels.
- Additional issues: Porous crawl space walls, lack of vapor barrier, and improper grading can cause mold problems. Insufficient ground cover, like gravel or mulch that diverts rainwater from your home’s foundation, can also lead to mold growth.
Mold Remediation
Dry Otter Waterproofing has several solutions for crawl space mold removal. The first step is installing a negative air fan in the crawl space. Next, we put an air scrubber inside your home, and the HVAC system is turned off.
After completing this step, Dry Otter technicians remove all raised fungus with an antimicrobial solution. This completes the mold removal process.
What are the benefits of crawl space mold remediation?
The most significant benefit to removing mold from your crawl space is your health. Mold can cause many respiratory issues, and mold elimination allows everyone to breathe more easily.
This is especially important if you already suffer from allergies, asthma, or other severe respiratory issues.
Along with better indoor air quality, mold removal will address the problem of mold eating into floor joists, which can compromise your home’s structural integrity. Having a proper system and professional cleaning that eliminates mold will increase the value of your home.
Dry Otter Waterproofing is here to help you breathe easier. We have the tools and expertise to handle any mold issues in your crawl space.
What Our Customers Are Saying
EXCELLENT Based on 347 reviews Nancy Buckman2025-10-03Trustindex verifies that the original source of the review is Google. Fantastic crew of Trey, Jonathan & Desmond. Knowledgable, professional and a great help of understanding the process. David Stephens2025-09-27Trustindex verifies that the original source of the review is Google. Will and Josh did an excellent job, they were extremely knowledgeable and careful with the areas outside the crawl space. They answered all our questions and wanted to make sure we were absolutely satisfied before they left. Also appreciated the daily communication with arrival times and daily work plans. Amy Minacapelli2025-09-25Trustindex verifies that the original source of the review is Google. Dry Otter did a great job! They went above and beyond and would definitely recommend their services. We had the pleasure of a fantastic crew, Noah, Corey, Jam and Tristen are top notch. Call as soon as possible because they are extremely busy! Vicki Gurley2025-09-25Trustindex verifies that the original source of the review is Google. After reading many great reviews, we used Dry Otter to remove mold and mildew from a newly purchased older home. Dry Otter then expertly encapsulated the crawlspace and installed a dehumidifier (Thanks Johnathan, Trey, and Desmond!!) and did the needed structual repairs. Great job!! The dehumidifier monitor now assures us that the crawlspace remains dry. THANK YOU, DRY OTTER! Rick Dunlap2025-09-24Trustindex verifies that the original source of the review is Google. The work done by Will and his crew was excellent. I can sit in my crawlspace with a sense of calm as it is so clean. Cheryl Waggener2025-09-18Trustindex verifies that the original source of the review is Google. Had several companies quote me a price...dry otter was the best price, with the highest quality materials being used! For ex...20mil vapor barrier....just one thing....Will & Josh were extremely informative, knowledgeable, professional & helpful with any and all questions! They did an excellent job! They are from the Denver NC office! I highly recommend them! Dry otter is blessed to have them! I am very happy with the job they have done! And last their guarantee is excellent...they also clean up extremely well after themselves! Thank You Dry Otter! ...Will & Josh! Kimberly Jones2025-09-17Trustindex verifies that the original source of the review is Google. After researching crawl space encapsulation and asking neighbors, I found Dry Otter. I contacted 4 companies and 2 didn’t even respond. Dry Otter came out and presented photos, info on their process & system and a quote on the spot. I appreciate their professionalism and responsiveness and the price was not only the better option but most importantly was a better material used and I like the fact they are independent family-owned. The team that did the work was Noah, Corey, Jam & Tristen. A group of very nice hard working young men. Noah was especially great and easy to work with. They called both days 20 minutes out, communicated during the process and explained everything in detail with instructions, etc. With our house being a new build only a year old, we wanted to make this important investment to protect the support beams and trusses for the long term. I’m looking forward to some energy saving as well. And, no critters or bugs will be especially nice too! I highly recommend Dry Otter! Joey Tirak2025-09-05Trustindex verifies that the original source of the review is Google. My crawlspace needed some attention had pretty high humidity and condensation on duct work. Decided to go with an encapsulation with foam board on walls. Dry otter was great to work with. Will and Josh were the installers and their communication and professionalism was outstanding. The crawl space looks great now and thet explained everything very well. They even checked back in a couple days after the install to make sure the humidity has dropped. highly recommend Dry Otter if you need a crawl space encapsulation
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10+ Years Industry Experience
300+ 5 Star Reviews
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Our process includes the following inspections:
Crawl Space Inspection:
- Moisture and Water Damage
- Mold and Fungus
- Insulation Condition
- Vapor Barrier
- Structural Issues
- High Humidity
- Condensation on Ducts
Basement Inspection:
- Water Intrusion
- Cracks and Wall Leaks
- Foundation Integrity
- Sump Pump Operation
- Mold and Mildew
- Basement Floor Cracks
- Hydrostatic Pressure
Our expert will personally visit your home and examine the issues you are having with your basement or crawl space foundation.
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