Closed Cell Insulation

What is Closed-cell insulation

Closed-cell spray foam insulation is the best choice when it comes to increasing your home's energy efficiency, providing moisture infiltration, and even strengthening the structural integrity of a house. With our closed-cell foam insulation services, you can be sure that your new construction or an older building will be under great protection.

What is Closed-Cell Insulation

Insulating your house is a crucial step if you want it to be highly resistant to external damage. While a lot of homeowners still opt for fiberglass insulation, there are much better options available. When you insulate your dwelling with fiberglass, you are not protected from water damage, mold, and even potential lung irritation. The same problems might occur with cellulose insulation as well. The ideal choice that provides both durability and high protection is closed-cell spray foam insulation.

Installing spray foam insulation helps with reducing energy costs, stops mold growth, and makes the whole insulated structure fire retardant. The two-component spray gives proper insulation due to the uniform filling and fast hardening.

Low-expanding spray foam

Closed cell spray polyurethane foam (SPF) is a low-expanding, spray-applied plastic that forms an air seal wherever it is installed and is known to have a high R-value.

Closed-cell spray foam has a higher R-value compared to open-cell foam. 

As closed-cell foam has an R-value of 7, it has much better insulation performance than open-cell spray foam. In comparison, the R-value of open cell spray foam is only 3.5-4, which makes it less resistant to severe changes in temperature.

In general, both open and closed spray foam work similarly, being able to fill in all the little cracks and gaps in the walls. The main point of this kind of spray insulation is to cover all the wall cavities and provide tight air sealing.

To Insulate Your Home or Not?

Some homeowners neglect insulation at all, which leads to the tedious process of dealing with consequences later. Moreover, with some of the materials chosen for home insulation, the actual effect might be minimal, leading to even more damage.

If you think that no insulation or under-insulation is not that big of a deal, take a look at the possible problems that you as a property owner might stumble upon:

  • Excessive heat flow;

  • Ice buildup;

  • Moisture in attics and crawl spaces, which causes mold;

  • Increased heating and cooling costs;

  • Insect invasion, and more.

The installation of proper closed-cell foam insulation will not only create a vapor barrier to protect the condition of your premises but also save you from unnecessary air leakage and reduce the cost of your utility bills. 

Learn more about the benefits of closed-cell spray foam as a form of insulation in the sections below.

Benefits of Closed-Cell Insulation

Spray foam insulation is known to resist heat transfer extremely well and offers an effective solution for reducing air infiltration. Reducing this air infiltration can help lower monthly energy bills and make for an energy-efficient space.

However, there are multiple types of foam insulation out there. If you want your home to be protected with maximum efficiency, it can be useful to know the following details:

  1. One major point that we have already mentioned is that spray foam insulation has a high R-value of 7, in comparison to the R-value of 4 that open cell spray foam has.

  2. Closed-cell spray foam insulation provides better energy savings because the material has more thickness.

  3. Closed cell foam creates an air barrier. This might not be necessary for residential applications, but it can be extremely useful for industrial structures.

  4. Unlike open cell insulation, the closed cell one can withstand extreme temperature changes, protecting the walls from moisture, heat, and other damages.

  5. Insulating with a closed cell technique allows you to keep the new construction in good condition for many years. It lasts much longer than open-cell spray foam.

  6. Open cell foam can be hard to handle as it dries quickly. You might also need more of it in order to do the full installation. Closed-cell spray foam is the material with the least amount of material consumption compared to other materials.

Where is Closed-Cell Insulation Used?

This type of material is ideal for sealing as it effectively reduces liquid and gas flow. Closed-cell foam is also ideal for industries in which liquid resistance is critical. Closed cells are commonly used in caravans, sheds, lofts, and the like.

This vapor retarder foam creates a tight air barrier, which is also great for the insulation of exterior walls of private residences. Therefore, homeowners can use them to get energy savings, while industrial premises owners can get advantages from strong foam insulation.

Advantages & Benefits

Let’s talk advantages of closed-cell insulation:

  1. Savings

Reduce the cost of your energy bills with closed-cell spray foam insulation. It helps to keep the warmth and coolness inside when needed, decreasing the usage of heating and cooling systems.

  1. Nature protection 

Such spray foam insulation as a closed cell one will serve you for many years to come. Thus, you do not have to reinstall it frequently. The amount of foam needed for proper coverage is also less than for the open-cell spray foam.

  1. Water resistance

The thickness of the foam provides absolute water resistance, saving you from dampness and mildew.

  1. Noise insulation

For the cost of installing the spray foam, you get not only higher energy efficiency but also great noise insulation, beneficial both for private dwellings and industrial structures.

  1. Heat insulation

The big R-value of spray foam ensures that there is no excessive heat flow, keeping the cold places cool and hot places warm.

  1. Reinforcement of the structure

Spray foam insulation can also serve as additional support to the structure of the existing homes and new buildings.

  1. Versatility

This energy-efficient insulation can be applied to a variety of different structures, from homes to sheds and lofts.

USASPRAYME: Expert in Insulation

The services of USASPRAYME stand out with their exceptional quality and personalized approach to each project. Our knowledgeable experts will do a top-notch job and insulate your beloved home or any industrial structure.

We provide preliminary inspections and calculate the cost of the project so you can be sure of what to expect. With great experience working in the field, our specialists pay meticulous attention to each detail, making sure that the final result is safe, strong, and of the greatest quality.

Contact USASPRAYME today and start saving on your utility bills with the help of closed-cell insulation. Forget about the worries of getting property damaged and live with comfort in your newly protected home!

Frequently Asked Questions — FAQ

What is closed-cell insulation?

Closed-cell foam is used for the tight and durable insulation of homes and other buildings. Foam applied with a spray machine expands in size and fills every inch of the surface. After some time, it dries and gets hard, creating a strong air barrier that is also water-resistant.

Is closed-cell insulation good or bad?

Closed-cell insulation has a bigger R-value than other types of spray foam. It gives you better protection from extreme temperatures and damage from water. It is considered one of the best forms of insulation, as it is highly durable, effective, and has no negative effects on one's health.

Is closed-cell insulation better than fiberglass?

Despite being quite popular among homeowners, fiberglass surely does not have as many benefits as closed-cell insulation does. Fiberglass might not be useful in areas with high humidity. Moreover, it poorly affects one's lungs and can be dangerous for health.

What's the difference between open-cell and closed-cell insulation?

Although the cost of open-cell foams is lower, they might not withstand higher temperatures. Comparing the R-values of the two insulation types, we see that the closed-cell ones are much stronger. In fact, they even provide additional support to the structure of the construction. Open-cell insulating is also not as long-lasting as closed-cell insulating.

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USASPRAYME offers a huge range of services for insulation and waterproofing.

Contact Information

Find us here: 800 Avenue H, San Francisco, CA 94130


Phone: (855) 566-5340