Stop moisture and everything that comes with it
As part of our trusted home services, crawl space encapsulation helps control condensation, humidity, and pests by sealing the floor and walls with a reinforced vapor barrier. Excess moisture can create conditions that foster mildew, fungus, and structural damage. Our crawl space encapsulation service helps ensure your crawl space remains dry, preventing potential damage and maintaining a healthy environment. By reducing moisture and humidity, this service provides long-term protection for your home’s structure, value, and overall comfort.
Your home is your castle. We'll help defend it.
With almost 100 years of experience, Terminix knows how to tackle moisture-related issues that threaten your home. Our moisture control services proudly feature:
How crawl space encapsulation works
If you're considering encapsulating your crawl space, it's essential to understand the process. There are four main steps we follow:
Initial inspection
Our crawl space encapsulation service starts with a free initial inspection. Our experts will identify the source of moisture problems to recommend a customized solution for your home.
Measure
Our professionals may take moisture readings to help pinpoint the source of issues. We’ll also take physical measurements of your crawl space.
Protect
We protect your crawl space with a reinforced liner, a professional-grade dehumidifier, a wireless sensor to help monitor humidity levels, and optional interior foundation drains — all designed to block, remove, and control excess moisture.
Annual Inspection
Your Terminix technician will visit your home annually to perform a routine inspection and conduct regular maintenance, helping to keep your home protected.
Before vs. After

The benefits of crawl space encapsulation
Our crawl space encapsulation service provides premium protection by fully sealing off the area for maximum moisture control. Here are a few of the advantages encapsulation can help provide:
- Deter pests: An encapsulated crawl space creates a barrier against unwanted pests like termites, cockroaches, spiders, and powderpost beetles.
- Better indoor air quality: By controlling moisture and reducing fungi and mildew growth, encapsulation can support a healthier indoor environment.
- Longevity and integrity: Help protect the longevity and integrity of your home with our moisture control solutions.
- Stronger foundation protection: Moisture control can help prevent wood rot, rust, and other damage that can weaken your home’s structure.
- Moisture control: Our service helps control moisture and humidity in the home, preventing damage and protecting the home’s structure over time.
- Peace of mind: Knowing your home has professional protection against hidden threats, such as moisture and pests, provides confidence and reassurance.
If you suspect that your crawl space has high humidity or dampness, schedule a free inspection with Terminix today to get started.
Declare your home off-limits for moisture and pests
A damp, humid crawl space can lead to costly repairs, so it’s essential to call a professional. Terminix offers home services, including crawl space encapsulation, ventilation, and vapor barriers, to help protect your home from moisture-related issues.
With our crawl space services, your technician will inspect your crawl space and identify any issues that may be present. Our moisture control solutions are designed to protect your crawl space. By minimizing the conditions conducive to pests, such as excessive moisture, we can help protect your home from future infestations.
If you’re worried about pests in other areas of your home, our pest control services can be combined for comprehensive protection.
Crawl space service options
Encapsulation FAQs
The cost of crawl space encapsulation can vary depending on your home’s location, size, and the severity of the problem. To get started, schedule a free inspection today and let Terminix help protect your home.
Yes, encapsulating your crawl space is often worth it, especially if you live in a humid climate and have experienced excess moisture or pest problems in your crawl space. Sealing out excess moisture can help prevent mildew, fungi, pests, and structural damage while also improving energy efficiency and indoor air quality.
The primary concerns we hear about crawl space encapsulation are typically the upfront cost and the need to maintain equipment, such as dehumidifiers or monitoring devices. If the cost is a concern, we have convenient payment and financing options.
If you’re concerned about maintaining the equipment, our technicians will visit annually to provide you with continued peace of mind. Our experts can also walk you through every step to address any concerns you may have.
In most cases, crawl space encapsulation is not something you can claim directly on your taxes. However, certain parts of the service may qualify under specific energy efficiency tax credits. Eligibility can vary based on your home, location, and the materials used, so it’s best to research current tax credit guidelines or speak with a tax professional.
Crawl space encapsulation is designed to last for many years, but like most home systems, it benefits from regular maintenance. With Terminix, our technicians provide annual inspections and regular maintenance to ensure your encapsulation continues to control moisture, protect against pests, and perform optimally.






