How long does attic insulation last? This is a complicated question because it doesn’t have a single answer. Overall, the type of insulation you have in your attic will dictate how long it lasts. Attic insulation is not made equally, meaning you will find drastically different lifespans with the type you choose for your home.

Fresh Air Duct Cleaning has worked directly with homeowners to install the right type of insulation for their attics. Each insulation has its own benefits and drawbacks that should be considered. Our team can help you choose the right insulation for your home so that it lasts as long as you want and helps you save on energy costs.

How long does attic insulation last?

The type of attic insulation will determine how long it will last. The three most common attic insulations include fiberglass batts, blown-in fiberglass, blown-in cellulose, and spray foam insulation. Each of these types of insulation varies in how long they will last. Below, we will detail how long each attic insulation lasts and some other details.

Fiberglass Batts

Batts are felted material that can be cut and inserted into the walls of attics, rooms, and almost anywhere else in your home. Fiberglass is a popular type of batt since it is fire resistant, moisture resistant, and can be installed very quickly. The ability to be cut to fit different sizes allows them to fit most types of homes.

On average, fiberglass batts last approximately 100 years. With that said, you can expect your insulation to last a lifetime. In some cases, fiberglass batts can experience shedding at around 15 to 20 years. The insulation can begin to fall off and collect in your attic.

How long does attic insulation last

This is normal and doesn’t necessarily affect the effectiveness of the insulation. However, regular inspections are important to ensure your insulation remains effective.

Blown-In Fiberglass

Out of all the insulation options you can choose, blown-in fiberglass is the most affordable option. Blown-in fiberglass is also really easy to install and can fit anywhere. It is better at filling in the cracks and hard-to-reach places that may be prevalent in your attic.

You can expect blown-in fiberglass to last between 80 and 100 years. That said, you’ll need to reinforce the blown-in insulation after a while since it can settle. Once the fiberglass settles, exposed areas can appear, creating pockets where vital air can escape. It is important you inspect your fiberglass insulation for these areas.

Blown-In Cellulose

Cellulose is made from recycled paper products that are shredded into fine pieces. Many argue cellulose is the most environmentally-friendly option, but its addition of chemicals to repel rodents has made other feel differently. Blown-in cellulose is affordable, more so than fiberglass.

As for the lifespan of blown-in cellulose, you can expect it to last between 20 to 30 years. This is significantly less long than any of the other options on this list. If you want insulation that lasts, we recommend choosing fiberglass or spray foam.

How Long Does Attic Insulation Last?

Spray Foam

Finally, the last type of insulation you can consider is spray foam. Spray foam is known as one of the best types of insulation for your attic. This type of insulation starts out as a liquid form and expands once it is sprayed. Spray foam insulation is water-resistant, so it will prevent water from entering it or passing. The installation process is also very easy but lets off a lot of fumes.

The International Association of Certified Home Inspectors (NACHI) says spray foam insulation lasts about 80 years. With a slightly smaller lifespan, spray foam is still our number one choice for attic insulation. It performs better over time and keeps water from entering the home. Those are advantages you want in your home.

Attic Insulation Dallas, TX

As you can see, there are many different attic insulation options you can install into your home. Each insulation type has its advantages over others while also having some disadvantages. Regardless of what you choose, you can feel confident in knowing Fresh Air Duct Cleaning can install your attic insulation.

Contact our team today by calling (214) 272-9715. Our team can install your home’s attic insulation and walk you through more details about each type of insulation. You can learn more about these services by visiting our attic insulation services page. Call us when you are ready to install new insulation for your attic.