How much does it cost to isulate an atic

How Much Does it Cost to Insulate an Attic?

When it comes to the cost of insulating an attic, you might be wondering, ‘How much does it cost to insulate an attic?’ Well, the estimated expense typically falls within the range of $1,680 to $3,125. However, this cost can vary depending on the size of your attic and the specific insulation material you opt for.

The average amount noticed was about $2,380, which was spent by the homeowners. This amount includes everything like the insulation materials as well as installation by a professional. 

Effective Strategies for Home Energy Savings

According to the U.S. Environmental Protection Agency, you can save energy costs at home by attic insulation. The estimated energy cost you can save by adding insulation in the attic is about 15% on heating and 11% on cooling. 

But you can expect to save more energy costs, like 20%, if you are living in a Climate zone like in continental climate zone. Planning to insulate an attic but at a reasonable cost? Our pricing guide can help you find the most affordable options for insulating your attic, along with a DIY installation guide. 

Comparing Attic Insulation Costs: Finding the Best Deal

Just like other jobs we do to improve our home, the same is the case with attic insulation. However, the average cost to insulate an attic is different for each attic, depending on the size and material of the attic. 

One thing to keep in mind while planning attic insulation at your home is that the cost of an attic varies from community to community as well. The amount you will pay for attic insulation will include the material cost as well as the cost of labor to install this insulation. The price estimation is given below:

Cost Estimation:

Average Cost $2500
Highest Cost $3500
Lowest Cost $1500

4 Best Cost-Effective Attic Insulation Types

There are many types of attic insulation materials to choose from. Different materials are used in the attic insulation. You will discover details about each attic insulation material and how much it costs per square foot. This info will make it easier for you to pick the best insulation material for your attic.

  • Blown-In Insulation
  • Batt Insulation
  • Spray Foam Insulation
  • Structural Insulated Panels
  • Blown-In Insulation

With the help of a long hose connected to a machine, it is blown into your attic. That is why this insulation is given the name Blown-In Insulation. You can get professional help or get a machine on rent for a day. 

The best thing about this insulation is that it can go into small, difficult-to-reach places and tricky corners easily, but it might sink over time. Sometimes, there is a need to make a small hole in your house for the installation of insulation, but you need not worry about it; we’ll solve this issue by using similar material.

There are three main types of blown-in insulation. You can choose one of them depending on your choice or preferences. Also, you can get help with the Energy Star map for picking the best type that suits your local climate. The three types of Blown-in-insulation are:

Fiberglass, Cellulose, and Rock Wool Attic Insulation Costs

  • Fiberglass:

    If you are looking for an attic that is budget-friendly and that suits your climate, you can go for fiberglass attic insulation as it only costs you around $0.40 per square foot or $190 in material costs for a 500-square foot attic.

  • Cellulose:

    If you are planning for insulation from old newspaper and cardboard, you can go for Cellulose insulation. As, It costs you around 33 cents per square foot, for a 500-square-foot attic, you have to pay just $160 for the material.

  • Rock Wool:

    Rock wool has a dense consistency, just like sheep’s wool, but this blown-in insulation is expensive but valuable. You have to pay around $1,200, or $2.40 per square foot, for a 500-square-foot attic.

  • Batt Insulation

If you are Looking for something budget-friendly as well as easy to install, you can go for Batt Insulation, as it works well in the attic. If you are planning to install insulation on your own, batt insulation is the best choice. 

These are available in the market in the form of rolls and installed in strips that can be cut to fit small spaces. As this insulation is budget-friendly, this only costs you around $2 to $4 per square foot.

  • Spray Foam Insulation:

This type of insulation is just like blown insulation; the only difference that it has is in the material. This insulation is not made up of bits of material but of foam, that is why it has been given the name Spray foam insulation. The insulation works well even for the tiniest corners and spaces. 

Your temperature can be controlled in a better way using this type of insulation. This type of insulation is a bit more expensive than other types of insulation. For this type of insulation, you have to pay around $3 to $5 per square foot.

  • Structural Insulated Panels:

If you’re building a new house, Structural Insulated Panels (SIPs) are a great choice. But if you’re just looking to replace insulation without major renovations, SIPs may not be the right fit for you. Using SIPs might require more extensive work, like removing wood paneling, which could be a bigger project than you need.

But when it comes to the price per square foot simply for structural insulated panel materials, you might be looking for $4 to $7.

Top 3 Benefits of Insulating Your Attic

Insulating your attic has some great advantages that can make your home better. Here are a few of them:

  • Saves Energy: Attic insulation helps keep your home warmer in winter and cooler in summer. This means you use less electricity or gas, which can save you money.
  • Cleaner Air: Insulation also keeps the air inside your home cleaner. It stops dirt and bad stuff from getting in. It also prevents mold and dampness, which can be bad for your health.
  • More Even Temperature: Insulation makes sure your home stays at a comfortable temperature all the time. It doesn’t get too hot in summer or too cold in winter, so you feel cozy.

Frequently Asked Questions (FAQs)

  • How long does it take to insulate an attic?

The time required to insulate an attic is around 7-8 hours.

  • Do I need to air-seal my attic before installing insulation?

Yes, there is a need to air-seal the attic before installing insulation to make it energy-efficient. 

  • Should I DIY or hire a professional?

It depends on the type of insulation you are going to install. Like if you are planning to install batt insulation, you can easily do it yourself, but if you are planning to blow in or spray foam insulation, then you will need professional help. 


Ready to improve your attic insulation? Choose one type of attic that best suits your budget and needs and go for the installation process. There are some pros and cons to each type of attic. Active Exterior can better help you in selecting the best option for your home. 

One thing to keep in mind is that the costs can vary based on your location and the insulation type, but do not worry, we can help you navigate these factors. Take the first step toward a more comfortable and energy-efficient home. Contact Active Exterior today to get started!

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