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Spray Foam Insulation FAQ

Spray Foam Insulation next to DoorIf you’re new to learning about insulation, we expect you have plenty of questions. We’re happy to answer any of your insulation questions over the phone or in person. You may also browse our most frequently asked questions and answers below.

What Is The Cost Of Spray Foam Insulation?

The initial investment of spray foam insulation is higher than that of batt or blown insulation. However, the benefits of spray foam 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 between 30-50% 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 pays you back over time in energy savings.

Is Spray Foam Insulation Flammable?

Yes, spray foam insulation is considered flammable. No matter what a salesperson may try to tell or sell you, all foam plastic materials must be considered flammable in accordance to the international building code. However, it’s important to note that different manufacturers of spray foam insulation offer different levels of flammability. At Wentzel’s insulation, we offer spray foam insulation that performs above the standards required by the international building code. We help our customers make a safe and comfortable insulation choice for their residential and commercial buildings.

Can You Install Spray Foam Insulation Into Hard-to-Access Spaces?

Definitely. We can install open cell and closed cell spray foam into hard-to-access spaces. We inject the foam as a liquid, then it rises to fill and insulate the space. We have found that injection foam can be a cost effective solution to many retrofit insulation installations.

Can You Install Spray Foam Insulation Into Unvented Roof Ceilings?

Absolutely. However, we will need to determine whether or not closed cell spray is necessary. Our professional staff will use their expertise to search for any potential condensation areas in the wall cavity.

Can You Install Spray Foam Insulation Directly To Masonry?

Yes, but only closed cell spray foam can be installed directly to masonry. If open cell spray foam were used instead, it would get wet.

Can spray foam insulation be exposed to the sun?

Not for long. If spray foam insulation is left exposed to sun and weather, it will deteriorate after a year or so. After only a few days in the sun, spray foam will start to yellow.

Is Spray Foam Insulation Waterproof?

It depends on the density of the foam. Open cell foam is not waterproof or water-resistant. In contrast, closed cell foam is water-resistant. However, only high-density closed cell foams are waterproof.

spray foam insulation on wallsCan I Install Spray Foam Insulation Myself as a DIY Project?

We don’t recommend a DIY spray foam installation for a variety of reasons. While many DIY projects offer cost-cutting incentives, spray foam installation requires extensive experience as well as protective gear to avoid hazards. Since spray foam expands very quickly and sticks to anything, it needs to be applied in a timely, efficient and expert manner. Too much or too little spray foam in any given area can create immediate and future problems.Spray foam exudes chemicals which can be harmful at close proximity. Ultimately, most home and business owners are not sufficiently trained to install spray foam, and are very happy to call upon us for their insulation needs.

How Important Is An Insulation’s R-Value?

In the U.S., an R-Value is a measurement of thermal resistance. Insulation with a higher R-Value provides more effective barriers against heat loss. As a result, installing insulation with a higher R-Value generally leads to greater energy efficiency and cost savings. No matter what type of insulation you choose, proper installation is the most important factor.