Services
Crawl Space Insulation
Improve Comfort, Control Moisture & Lower Energy Costs

Your crawl space plays a bigger role in your home’s comfort and efficiency than you might think. Without proper insulation, it can allow moisture, outside air, and temperature changes to impact your entire home.

At Installed Building Solutions, we provide professional crawl space insulation installation designed to improve energy efficiency, reduce moisture issues, and create a healthier indoor environment.

Benefits of Crawl Space Insulation

Upgrading your crawl space insulation delivers several important benefits:

Lower Energy Bills

Proper insulation helps prevent heat loss through your floors and reduces the workload on your HVAC system, leading to lower energy costs.

Moisture Control & Mold Prevention

Insulation helps control humidity levels and reduces the risk of condensation, mold growth, and wood rot.

Improved Indoor Air Quality

A significant portion of the air inside your home can originate from the crawl space, making insulation key to reducing contaminants and moisture.

More Comfortable Living Spaces

Insulated crawl spaces help eliminate cold floors and improve temperature consistency throughout your home.

Protection Against Structural Damage

Controlling moisture and temperature helps protect your home’s foundation, framing, and flooring systems.

Crawl space insulation in a home in the Twin Cities

What Is Crawl Space Insulation?

Crawl space insulation is installed beneath your home to help regulate temperature, prevent moisture buildup, and improve energy performance.

Because crawl spaces sit directly between your home and the ground, they act as a critical barrier that affects how heat, air, and humidity move throughout your home. 

When properly insulated, your crawl space helps keep warm air inside during winter, blocks heat in summer and reduces the impact of outdoor conditions.

Crawl Space Insulation vs Encapsulation

Crawl space insulation improves thermal performance, while crawl space encapsulation goes a step further by sealing the entire space to control moisture and air infiltration.

  • Insulation: Controls heat transfer
  • Encapsulation: Seals the space and manages moisture

 

In many homes, combining insulation with sealing or encapsulation provides the best results for comfort, efficiency, and long-term protection.

Types of 

Crawl space 

insulation

Spray foam expands to fill cracks and gaps, creating an air-tight seal that improves energy efficiency and helps control moisture.

Fiberglass batts are installed between floor joists to reduce heat loss in certain crawl space setups.

Signs You Need Crawl Space Insulation

If your crawl space isn’t properly insulated, you may notice:

These symptoms often indicate energy loss and moisture problems that can worsen over time if not addressed.

Our attic insulation process
Crawl space inspection

We assess your crawl space for insulation gaps, moisture issues, and air leaks.

Identify problem areas

We locate areas contributing to energy loss, humidity, or poor air quality.

Customized recommendation

We recommend the best insulation solution based on your home and crawl space conditions.

Professional installation

We install insulation and seal gaps to improve efficiency and protect your home.

Final inspection

We ensure everything is properly installed and performing as expected.

Get a Free Crawl space Insulation Estimate

Don’t let your crawl space impact your comfort, energy bills, or indoor air quality.

Contact Installed Building Solutions today to schedule your free crawl space inspection and estimate.

Why 

Homeowners 

Choose Us

We understand your job site. We work efficiently alongside your other trades. And we make sure every installation is inspection-ready before you move on.

Crawl Space Insulation FAQs
Do crawl spaces need insulation?

Yes. Insulating your crawl space helps improve energy efficiency, control moisture, and protect your home from structural issues.

The best insulation depends on your crawl space type. Spray foam and rigid foam are often recommended for their moisture resistance and performance.

Yes. Proper insulation helps manage humidity and reduce the risk of mold and moisture-related damage.

Costs vary based on the size of the space, insulation type, and any additional moisture control needed.

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