Do you have questions? We have answers. Learn more about spray foam insulation, the compound, cost-saving benefits, and all of the meticulous details that go into making spray foam insulation the superior insulation solution for your home, business, or agricultural facility. See below for frequently asked questions.


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Closed Cell Spray Foam Insulation Icon

Closed Cell
Spray Foam

Closed cell spray foam insulation provides an unmatched thermal barrier with the highest r value of any insulation. Generally used for external walls to prevent air leakage, while providing a strong moisture barrier.

Open Cell Spray Foam Insulation Icon

Open Cell
Spray Foam

With open cell spray foam insulation, it's application is used for internal walls, therefore helping to eliminate noise pollution. Besides that, it also has an incredibly high r value, but with a much lower raw material use.

Roof Insulation Spray Foam icon

Spray Foam

In addition to our arsenal of closed cell & open cell spray foam insulation services, we also provide a spray foam roofing service, which helps seal building envelopes of any flat roof, or low-pitched roof configuration.

How does spray foam insulation work?

Spray foam insulation is a malleable insulation and air barrier material that is sprayed into open wall, floor and ceiling cavities and seals them against air movement. Unlike conventional insulation materials, spray foam fills cracks, gaps and crevices on installation. This also prevents mold growth.  Maintains your temperature control so your home will stay cooler in the summer and warmer in the winter. It won’t compress, sag or settle over time.

How much does spray foam insulation cost?

For a general sense of what spray foam insulation costs, if you choose an open-cell spray foam insulation product, the cost can be roughly about $0.45 to $0.75 per board foot. For closed-cell spray foam insulation, the cost is roughly $1.00 to $1.50 per board foot (depending on the scope of the project)

It’s important to note that although the initial investment of spray foam insulation is higher than that of batt or blown insulation, the benefits of spray foam insulation far exceed any other insulation choice today. In fact, you will find that spray foam insulation gives you a much higher return on investment by saving upward to 300% on your annual energy costs. Spray foam insulation will help your heating and air conditioning system to work more efficiently. Since spray foam insulation helps regulate your temperature throughout your entire home or building, your hvac temperature will not drop or rise dramatically every time it’s turned on/off. Your initial investment in spray foam insulation is paid back through compound energy savings, indefinitely.

Is Spray Foam Insulation Waterproof?

It depends on the density of the foam. Open-cell spray foam is not waterproof or water-resistant. However, closed-cell spray foam is water-resistant.

Is Spray Foam Insulation Flammable?

Yes, spray foam insulation is considered flammable. No matter what a salesperson may try to convince you of, all foam plastic materials must be considered flammable in accordance with the IBC (international building code). However, it’s important to note that different manufacturers of spray foam insulation offer different levels of flammability. We at Home Spray Foam Insulation work with you (our client) to ensure you’re informed of your spray foam insulation choices, and how we plan to install the insulation in you property, and what type of spray foam insulation would best fit your needs, based on your property type. 

What is an “R-Value”?

In the United States, an R-Value is a measurement of thermal resistance. An insulation product with a higher R-Value provides more effective barriers against heat loss. This means greater energy efficiency and cost savings, because you’re using your heating & cooling (HVac) systems less and less. However, no matter what type of insulation you choose, proper installation is the most important factor.

What is the R-Value of Closed-Cell Spray Foam Insulation?

Closed-Cell Spray Foam Insulation has one of the highest R-Values of any insulation type, with an R-Value of R-6.9 per inch, as opposed to lesser expensive alternatives, e.g. fiberglass or cellulose. In the instance of value for insulation, you get exactly what you pay for, and Closed-Cell Spray Foam is worth every penny. 

Can I install Spray Foam Insulation myself?

We do not recommend it. In fact, we’re pretty adamant about our potential customers seeking out a professional for the installation of spray foam insulation, as extensive knowledge, training, and experience is required. If you’re not careful, and you’re inexperienced, you can drastically ruin the property you’re spraying, by either over-spraying, or under-spraying, causing immediate, or future problems, which can prove to be a significant health risk, and financially detrimental. Spray foam insulation expands rapidly, and sticks to everything, so it needs to be applied in a timely manner, in a controlled environment. Spray foam insulation also exudes harmful off-gassing at close proximity, which you need to be properly dressed for. Ultimately, most home and business owners are not sufficiently trained to install spray foam, and are more than happy to call upon Home Spray Foam Insulation for their insulation needs.

What is the best insulation type for noise dampening?

For noise dampening, any low-density spray foam insulation will work, however, open-cell spray foam is one of the better products for sound control. Applying sprayed polyurethane foam as a sound barrier, however, differs slightly from applying the product strictly as an insulation material. When used strictly as insulation, effective spots to insulate for thermal efficiency include rim joists, attics, and crawl spaces, as well as the traditional wall application. Sound-barrier spray-foam products should be applied to interior walls throughout areas that typically produce excess noise as noted by the property owner—these can often be interior walls rather than exterior assemblies and even in between floors. Working in conjunction with the building occupant to identify the specific areas where noise control is important to them is a critical part of the process to ensure the best result. 

What is Spray Foam Insulation made of?

Spray Foam Insulation is commonly referred to as SPF (Spray Polyurethane Foam), and is comprised of two liquids; an “A” side and a “B” side.  The “A” side of a spray polyurethane system is usually comprised of methylene diphenyl diisocyanate (MDI) and polymeric methylene diphenyl diisocyanate (pMDI). The “B” side is typically a blend of polyols, catalysts, blowing agent, flame retardant, and surfactant, although the chemical compounds vary per manufacturer. The “A” side & “B” side chemicals come in separate drums, and when combined, a chemical reaction forms the polyurethane spray foam.

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