Open Cell Spray Foam Insulation in Jefferson City, MO

Affordable, High-Performance Insulation for Attics, Walls, and Ceilings

Looking for energy-efficient insulation that seals air leaks, improves comfort, and reduces your energy bills? Xtreme Foam Insulation specializes in open cell spray foam insulation for residential and light commercial properties throughout Jefferson City and surrounding areas.


Whether you’re insulating a new home, remodeling, or upgrading an attic or wall system, open cell spray foam is a flexible, high-performance solution trusted by homeowners and builders alike.

A large room with a ceiling that is being built.

What is Open Cell Spray Foam?

Open cell spray foam is a light, flexible insulation material that expands to fill cracks, gaps, and cavities. It forms an effective air barrier and is ideal for interior applications such as attics, walls, ceilings, and rim joists. Its sponge-like texture allows for some vapor permeability, making it suitable for areas that need breathability.

Benefits of Open Cell Spray Foam

  • Superior Air Sealing
    Eliminates drafts and unwanted air infiltration to improve HVAC efficiency.
  • Noise Reduction
    Its soft texture makes it an excellent sound dampener for interior walls and ceilings.
  • Affordable Spray Foam Option
    Costs less per square foot than closed cell foam — great for large coverage areas.
  • Energy Savings
    Reduces heat loss and improves year-round comfort, helping lower utility bills.
  • Moisture Permeability
    Breathable structure helps manage indoor humidity levels when properly installed.

Ideal Uses for Open Cell Foam

  • Attic Roof Decks
  • Interior & Exterior Wall Cavities
  • Ceilings Between Floors
  • Rim Joists and Hard-to-Reach Gaps


We install open cell foam in both new builds and retrofit projects across Mid-Missouri. Not sure if it’s the right fit? We’ll compare open cell vs. closed cell spray foam  to match the best insulation type to your space and budget.

A man is spraying insulation on a wall in a house under construction.

Partner With Us

Contractors & Builders

Dedicated Account Management – One point of contact from bidding to final walkthrough. General contractors and residential builders trust Xtreme Foam Insulation for expert spray foam installation that keeps projects on time and up to code. We specialize in open cell spray foam for new home construction, delivering fast, professional service with dependable results.


  • New Construction & Remodels
  • Code-Compliant Spray Foam Applications
  • Reliable Scheduling & Site Coordination
  • Competitive Contractor Pricing
  • Locally owned and operated in Jefferson City, MO
  • Licensed and experienced spray foam contractors
  • Clean, precise installation — no mess, no delays
  • Free consultations and custom recommendations
  • Fully insured and up to code on all building standards
A room with a lot of foam on the ceiling and walls.

Need Spray Foam?

We Sell It!

Looking for open or closed cell spray foam in Mid-Missouri? Xtreme Foam Insulation supplies contractors, builders, and DIYers with high-quality foam products at competitive prices.

FAQ

  • What’s the difference between open cell and closed cell spray foam?

    Open cell foam is softer, lighter, and more affordable. It’s ideal for interior insulation, offering great air sealing and sound absorption. Closed cell is denser, provides a moisture barrier, and is better for exterior walls and crawl spaces.

  • Is open cell spray foam safe for homes?

    Yes. Once cured, open cell spray foam is safe, stable, and non-toxic. We follow all safety guidelines for indoor spray foam application.

  • How long does open cell spray foam insulation last?

    When professionally installed, spray foam insulation can last over 30 years without degrading, settling, or losing effectiveness.

  • Is open cell foam insulation worth the cost?

    Absolutely — especially in areas like attics and walls where air leakage is common. The up-front cost often pays for itself in energy savings within a few years.

  • Can open cell spray foam be used in the attic?

    Yes. It’s one of the most common applications. It helps keep conditioned air inside your home while preventing heat and moisture from entering through the roof.