blown in insulatation in St Louis, Missouri

The Difference Between Blown Insulation and Spray Foam Insulation

St Louis - St Charles Insulation Company.

The Difference Between Blown Insulation and Spray Foam Insulation-st-charles-mo
The Difference Between Blown Insulation and Spray Foam Insulation-st-louis-missouri


Most of the heating and cooling lost from your home originates with poor insulation, which means you need to determine which product works best for your property. Whether you are retrofitting an existing home or building a new one, consult with a St. Charles insulation contractor to get advice on whether blown-in insulation or spray foam insulation is better for you.

Let’s go over the differences between these two products so you can determine the best fit.

Blown Insulation

Blown-in insulation, or loose fill insulation, is comprised of loose particles blown into a wall or attic to fill all air gaps. There are many benefits that come with blown in insulation, such as:

1. Higher Efficiency

Blown-in insulation is more efficient than other types, such as fiberglass batts. This kind of insulation has a monolithic layer of insulation with no seams, performing 22 percent better than fiberglass batts. Blown in insulation is made up of a material called cellulose, which comes from recycled newsprint.

2. Easy Installation

Blown-in insulation is easy and relatively quick to install. Your insulation contactor will feed it into a blowing machine in the truck while another contractor is waiting in the attic to spread it from the hose. Two contractors adding fiberglass batts, on the other hand, would take twice as long.

3. ROI

The money you save on energy costs will pay off very well later, usually paying for itself in the first couple of years.

4. Comprehensive Coverage

Loose fill cellulose easily conforms to all the nooks and crannies in your walls and attic, meaning you get complete and comprehensive coverage. Due to its blown-in nature, it blankets all of your plumbing pipes, wooden crossbeams, cables and electrical wiring. Fiberglass batting can’t give you this kind of coverage.

5. Sound Dampening

Blown-in insulation prevents or dampen noises from getting into your main living space.

Spray Foam Insulation

Spray foam insulation is sprayed into an open wall cavity, sort of like paint, expanding to create an insulation barrier. After setting and expanding, it guards very well against wind, moisture, and exterior temperatures. It won’t settle or break down over time, unlike other types of insulation, which means you will enjoy a wise, long-term investment.

Traditional insulation allows energy to escape through spaces and gaps. With spray foam insulation, you can apply it to a variety of open-cavity areas such as basements, attics, crawlspaces, and more. Best part is, your HVAC system doesn’t have to work harder than it needs to in order to keep the interior temperatures regulated.

Here are some quick benefits of spray foam insulation:

  • Efficiency – Because this product seals cracks and crevices, it’s much more efficient than traditional fiberglass batts.
  • Weather barrier – It acts as a barrier to weather through all seasons.
  • Eco-friendliness – Because it lowers energy requirements, spray foam is eco-friendly.
  • Mold deterrent – Spray foam features inert polymers that inhibit the growth of bacteria and mold.

Energy Saving Insulation by Addict Insulation in St. Charles MO

Wondering whether blown-in insulation or spray foam insulation is best for your home in the St Louis or St Charles, Missouri area? Consult with our attic insulation contractors in O’Fallon MO today when you contact us at 636-233-7314.

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