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6 Interesting Facts About Spray Foam Insulation

6 Interesting Facts About Spray Foam Insulation

There are many insulation materials out there, and figuring out how each type can reduce your energy costs can be a little overwhelming. Fortunately, the solution is simpler than you might think.

Spray foam insulation is widely used and recommended for a reason. However, it’s easy to let costs get out of control if you don’t know exactly what you’re working with. To help you out, here are half a dozen interesting facts about spray foam insulation.

1. Spray Foam Insulation Comes from Polyurethane

Spray foam insulation is made from polyurethane. It’s sprayed directly into walls, making it much easier to install than other forms of installation.

2. Spray Foam Is Available in Two Forms

Spray foam insulation comes in two forms: closed-cell and open-cell. Each form offers its own set of advantages.

Advantages of Closed-Cell Spray Foam

Closed-cell spray foam has a higher R-value than its open-cell counterpart, which is a fancy way of saying it has a higher density. This density serves to stop moisture from passing through the insulation and maintains temperature more effectively.

Advantages of Open-Cell Spray Foam 

Open-cell spray foam is less dense than closed-cell spray foam. As a result, it’s used less frequently. The primary advantage of open-cell spray foam is that it expands after it’s applied, making it ideal for spraying into compact or hard-to-reach spaces that need insulating.

3. Professionals Use Both Types of Insulation

You may be wondering which type of spray foam the professionals prefer. The truth is professional installers use both types of spray foams for different purposes, mainly due to the fact that different areas of the home can be more or less dense than others.

4. Spray Foam vs. Fiberglass: Which Is Better?

Spray foam offers several distinct advantages over traditional fiberglass insulation. Here are just a few of them:

  • Improved energy efficiency
  • A much higher R-value
  • The ability to prevent air and moisture from entering the home
  • An increase in the building’s structural integrity
  • A lifespan of up to 80 years
  • Flame-resistant properties

All of these advantages give spray foam a larger price tag than its old-fashioned counterpart.

With that being said, if you decide the benefits justify the added expense, as most homeowners do, you’ll likely be very happy with your decision. If cost is an issue, just consider how much you’ll save over time and how much peace of mind you’ll gain knowing that your home is effectively insulated and protected from moisture and fire.

5. Spray Foam Is More Difficult to Install Without a Professional

Spray foam is undoubtedly more challenging to install correctly than fiberglass insulation. If you don’t know what you’re doing or it’s your first time working with spray insulation, it’s highly recommended that you work with a professional installer.

The main reason experts warn DIY enthusiasts away from installing their own spray foam insulation is that it involves mixing two delicate compounds in the same spray gun. If the levels are off, it could disrupt the entire process or cause the insulation to fail.

Aside from that, the foam must be sprayed precisely, proportionally, and at the appropriate temperature. One wrong move and you’ll have to start all over again.

This is precisely why experts recommend hiring a professional installer to apply spray foam insulation in homes and businesses.

6. Spray Foam Creates a Cleaner Environment

Spray foam creates a cleaner indoor air environment in any structure it’s installed in. Due to the foam’s thickness and ability to be sprayed into tight spaces and hard-to-reach areas, air and moisture have a more difficult time getting through. So do dust, pollutants, and other unpleasant substances you don’t want in your surroundings.


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