How Much Attic Insulation Cost, and What Are the Options?

Having the right insulation in the right place can save a homeowner up to 15% on energy bills.

As energy costs continue to increase, the savings from insulating continue to grow. If you’re ready to get some more, or better insulation there’s a few things you should know. Not the least of these things is attic insulation cost, having an insulated attic is important.

So how much does it cost to insulate the attic and what influences that cost?

Types of Attic Insulation

We’ll focus on the four of the most popular types of attic insulation. Each one has a different cost, though there is some overlap depending on how much you need.

Let’s figure out the average cost of materials:

• Rock wool, blown insulation – $2.50 per foot
• Batt insulation – $3.00 per foot
• Spray foam – $4.00 per foot
• Insulation panels – $5.00 per foot

Now, let’s look over what each of these insulation types offer:

Blown Insulation

Blown in attic insulation cost is often a bit less than other methods. It also doesn’t take quite as long, reducing the cost of labor as well. It is not considered the best insulation, but it does work as a cheap alternative to other methods.

Batt Insulation

Insulation like this comes in mats that can be spread out as you wish, and cut to shape. While this insulation is a bit more expensive, it is also considered one of the best for attics. It is easy to work with and won’t take very long to install.

Spray Foam

Spray foam works for some people, but it is expensive. It doesn’t work for every attic, and it can place a lot of extra weight on the rafters. It does a great job at insulating against heat and cold.

Insulation Panels

The most expensive in general, but also a great way to insulate an attic. These panels are uniform in size and are cut if they need to be altered. This can be time consuming, but the returns are well worth it.

Cost of Labor

Now that we’ve covered the types of insulation for attics, let’s take a look at labor costs. If you use a general contractor, or an insulation specific contractor, you can expect around $70 per hour. The work isn’t hard, but the amount of time it takes will be determined by type of insulation and size of the attic.

We could break that down further, and say it would cost between $1.50 and $3.00 per square foot on average. This means if you have 800 sq ft of attic space to insulate you can expect it would run you between $1,200 and $2,400 in labor.

Average Total Cost

Most homeowners can expect that their attic insulation cost will reach between $2,500 and $3,500 for a normal home. Large homes can reach up to $10,000, but that is rare. Despite the cost, attic insulation is well worth it.

Attic Insulation Cost and You

You’ll save money every month after you have your attic insulated. You should also make sure that all areas where air can leak out of the house are capped. This combination will save you the most money.

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