Types of Spray Foam Insulation

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Open Cell Spray Foam and Closed Cell Spray Foam

When it comes time to insulate your home or commercial building, you have some tough decisions to make, one being to choose between open-cell spray foam and closed-cell spray foam. Spray foam insulation is by far the better, more efficient type of insulation, but the question is closed-cell spray foam vs. open-cell spray foam. Poly Seal LLC is the leading spray foam insulating contractor to help you with such decisions and complete any spray foam insulating project you may have.

 

❝Above and Beyond"

"Are there more stars I can give? These guys did a great job with our spray foam insulation. I kept asking for more areas and tougher places to work in. Not only that, but our job site wasn’t ideal. They had to do a lot of work moving and covering things for us. They went above and beyond for us. We also kept moving around the timeline. I’d say we were a nightmare customer, but they stuck with us and did great work. Pricing was reasonable as well. Thanks, guys! "

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Will D.

 

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Closed Cell Spray Foam vs. Open Cell Spray Foam

The decision on whether to use open-cell foam or closed-cell foam becomes easier once all information is gathered on each. Some questions you may ask are, what's the difference, and when should you use a specific type?

Open Cell Spray Foam:

  • Cell Structure: soft, spongy
  • Density: 5 lb/ cu. ft.
  • Properties: sound deadening, better insulator compared to fiberglass
  • Insulation Value: R - 3.5

Closed Cell Spray Foam:

  • Cell Structure: hard, stronger
  • Density: 1.7 - 3.0 lb / cu. ft.
  • Properties: stronger, better insulator, resistant to the transmission of air & water vapor
  • Insulation Value: R - 6.0

 

Turn to Poly Seal LLC for Our Expertise

Having been in business since 2012, Poly Seal LLC has the experience and expertise in working with both the open-cell spray foam and closed-cell spray foam. Depending on the location of your spray foam insulation and your budget, you may be inclined to opt for one type of spray foam versus another. Because the closed-cell foam type is more resistant to air and water vapor, this may be the wiser choice when insulating a basement or attic space. If you'd like to stay within a budget, the open-cell spray foam may be the better choice for you. When you need expert spray foam insulation services, call at (208) 996-8368.

Frequently Asked Questions

  • ▼ How long has Poly Seal LLC been installing spray foam insulation?
    Poly Seal LLC been installing spray foam insulation for 20 years.
  • ▼ Is Poly Seal LLC licensed, insured, and certified to apply spray foam?
    Yes, Poly Seal LLC is fully licensed, insured, and certified to apply spray foam through the SPFA (Spray Polyurethane Foam Alliance).
  • ▼ Does Poly Seal LLC specialize in residential, commercial, or both types of projects?
    Poly Seal LLC specializes in both residential and commercial spray foam insulation projects.
  • ▼ What type of spray foam do you recommend—open-cell or closed-cell—and why?
    The type of spray foam we recommend depends on the specific needs of the client. In our region, 2-pound closed-cell spray foam is the most common choice. It is primarily used on exterior walls and offers the highest R-value and air seal for your home. Open-cell spray foam works exceptionally well for sound deadening and is often applied over closed-cell spray foam in exterior attics and crawlspaces.
  • ▼ How much does spray foam insulation cost per square foot?
    Spray foam insulation typically costs around $1.20 per square foot per inch.
  • ▼ How do you calculate the total cost for my project?
    Poly Seal LLC calculates the total cost for your project by considering the total area that requires spray foam application, along with the desired thickness (in inches) of the spray foam.
  • ▼ Will spray foam improve comfort in bonus rooms or basements often found in Idaho houses?
    Yes, spray foam significantly improves comfort in bonus rooms and basements by minimizing air infiltration, allowing your HVAC system to heat and cool these areas more effectively.
  • ▼ How does spray foam hold up in Idaho’s agricultural or storage buildings where temperatures swing dramatically?
    This is one of the biggest benefits of spray foam. Spray foam insulation forms a hard surface, known as a skin, that prevents moisture and most chemicals from being absorbed into the product. This also helps to protect the metal surfaces underneath.

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