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A Guide to Blown-In Insulation: Appearance, Advantages, Types and More

Good insulation is an important part of any home. Without it, you’d have to use a lot more energy and electricity just to stay warm in winter and keep cool in summer.

Over the years, the different types of insulation we use (e.g. fibreglass or cellulose insulation) and the methods we use to install them have evolved, with each iteration designed to improve the effectiveness of the insulation and contribute to a higher R-Value for your home.

Today, we want to talk about an effective form of insulation, known as blown-in insulation.

In this guide, we’re going to discuss everything you need to know about blown-in insulation, including its appearance, the different types, and why it might just be the best option for insulating your home.

What is blown-in insulation?

Blown-in insulation is a type of insulation that’s installed using special equipment that blows the insulating material into your wall or roof cavities. The compact size of the material means that it’s capable of getting into even the smallest and most hard-to-reach places in your walls or roof cavity. This ensures the complete and proper thermal insulation of your home.

What does blown-in insulation look like?

When it comes to how it looks, blown-in insulation’s appearance does vary depending on the specific type of insulation material used. For example, blown-in cellulose insulation looks noticeably different to blown-in fibreglass insulation.

In general, however, blown-in insulation typically looks like little loose specks of material that have clumped together to form a thick and effective layer of insulation across the entire area that it covers.

What are the advantages of blown-in insulation?

There are several key advantages to using blown-in insulation that make it the insulation of choice for so many homeowners in Australia. Let’s look at some of these key benefits in more detail:G

Blown-in insulation is super easy to install

Blown-in insulation is great for both new and existing homes. Rather than having to work with rolls or batts, we simply load up our specialist equipment and blow the insulation material directly into each area required, helping to create a nice even thermal barrier for your home.

Of course, it’s always best to leave installing your insulation to the professionals.

Blown-in insulation is much more energy-efficient

One of the biggest problems with other forms of insulation is the issue of gaps and thermal bridges in your insulated layers. When this happens, it can allow heat to escape from a warm home or penetrate a cool home in the summer.

With blown-in insulation, however, the material used is so small that it can easily fill in all those hard-to-reach and tight spaces in your wall or roof cavities and help to provide a more complete layer of thermal protection for your home.

Blown-in insulation is better for retrofitting existing homes

Given that blown-in insulation is much more effective at filling all those tight and hard-to-reach spaces, this means it’s often the preferred method for installing insulation in old or existing homes.

Once a home has already been built, access to cavities can often be restricted, and the existing insulation already in place may make it difficult to reach and fill any gaps in the thermal barrier.

Having the ability to blow the insulation material through a hose and directly into these difficult-to-access spots makes it much more suited to the job than other installation methods.

It’s also much more cost effective for older or existing homes because installing batts in tight or low cavity roof spaces can be very expensive.

What are the different types of blown-in insulation?

There are two main types of blown-in insulation, each offering a great R-Value for your home:

Cellulose/Woolcell insulation

Cellulose insulation is an environmentally friendly option for blown-in insulation, typically made from recycled paper-based materials, such as newspapers and cardboard. It’s treated with fire-resistant chemicals, making it super safe to install in your home, and its outstanding thermal performance helps to keep energy costs down.

Fibreglass insulation

As the name suggests – and much like the old-school batts that you may picture when you first think of home insulation – blown-in fibreglass insulation is made from tiny glass fibres that help to provide an effective thermal layer within your walls or roof cavity.

While it remains a popular choice amongst homeowners, it’s not as environmentally friendly as cellulose insulation.

Experience the difference with blown-in insulation today

Now that you have everything you need to know about the types, the advantages, and the blown-in insulation appearance, it’s time to reach out to the experts to find out how you can get the full benefits of blown-in insulation in your home.

Get in touch with 4 Seasons Home Insulation to book your free quote today.

For more information, visit our website.