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Comparing Foam to Batt Insulation

When it’s time to beef up your home’s insulation, you’ll quickly find that things have changed in the world of home heating and cooling. While there used to be just a single choice for insulation, today’s market is flooded with R-values and varieties, including spray-foam insulation, batt style insulation and more. If you’re confused about which type is the best for your home, read on for some important information.

How it works


Fiberglass insulation or batt style insulation is made of billions of glass threads that trap bubbles of air. The air bubbles prevent and slow the transfer of heat, creating a barrier between the inside of your home and the outside world. Spray foam insulation is made using a polymer such as polyurethane and a foaming agent. Once sprayed, it expands to 100 times its original volume and then hardens into a solid. The hardened foam is capable of expanding and contracting according to space available.

When it comes to spray foam insulation there are basically 2 types available: closed cell and open cell. Open-cell foam has tiny gaps where the cells are not closed. Air fills the open space inside the material for a softer product. Closed-cell foam has completely closed cells that are packed closely together. The cells are filled with gas rather than air. Closed cell spray foam insulation is denser than open cell insulation.

Advantages of spray foam insulation


Spray foam insulation is always a superior choice to batt style fiberglass insulation. Spray foam insulation can access cracks, crevices and small spaces that batting style insulation can’t touch. It’s also denser, offering a better degree of protection in the same size product. It’s stronger than fiberglass insulation and can be used to support traffic and loads in some instances. It can also be painted or stained if needed.

The 2 types of spray foam insulation make the product extremely versatile depending on your needs. Batting insulation can only be used one way, regardless of the users needs or expectations.

Probably the most important difference is the energy efficiency between spray foam insulation and fiberglass insulation. Fiberglass insulation allows air to pass through the product, and if not installed correctly, more than 30 percent of the heated or cooled air in your home can pass freely through. Spray foam insulation fills all spaces and cracks, so no air can escape. It acts as an air barrier and will dramatically lower energy usage when installed throughout a home.



Both batting style and spray foam insulation should be installed by a professional. Batting insulation is layer and stapled in place while spray foam insulation is mixed in a special container and sprayed into place. Spray foam insulation is always installed by a professional and the result is well worth the cost. Fiberglass insulation requires no specialized knowledge to install, but the performance of the product varies dramatically depending on how it was installed.

If you’re thinking about upgrading your home’s insulation, consider spray foam insulation. The high-quality material can reduce energy bills and installation is usually very fast. Click on the button below to get a quote and see how affordable upgrading your home’s energy efficiency can be.