How much is Blown In Insulation Cost per Square Foot?

When insulating your home, particularly installing blown-in insulation, you might discover services and options previously unknown to you.

Well, you are not the only one. Blown-in insulation is just one insulating method your house can use to keep the living space warm.

Blown In Insulation Cost per Square Foot

Blown-in insulation is an effective method for filling wall cavities and exterior walls, ensuring a well-insulated home. This type of insulation is especially beneficial for areas that are difficult to reach or have irregular shapes.

Besides, it may keep the house ‘safe’ from noises outside. Ensure you know properly about this, especially the blown-in insulation cost per square foot.

Blown-in Insulation Cost per Square Foot

Talking about house improvement is ceaseless. You know, there are so many things you can do to improve your house, and these things are constantly developing as time advances.

In terms of insulating the house, you can insulate it with a blown-in technique. What is this blown insulation anyway?

To explain briefly, blown-in insulation is used to fill the house’s ceiling joists, wall studs, and even attic space with insulating material.

This versatile method can be applied to various parts of a home’s structure. There are three types of blown-in insulation that are available today.

The average cost of installing blown-in insulation typically ranges from $1.00 to $1.50 per square foot, depending on the material used and the square feet of attic space or other insulated areas.

  1. Cellulose

Made from nicely shredded cardboard or newspaper, this insulation type becomes the best option for eco-house owners. Despite the materials’ natural vulnerability to mold and fire, they have been treated chemically to resist them.

  1. Rock wool

With its alternate name ‘mineral wool’, this blown-in insulation material is made from firing iron ore and iron slag. This slag will then be heated and combined with other materials before getting spun into a product copying the raw sheep’s wool (hence the wool name, though).

Read also: How to Insulate a Shed for Free

If you want a material with decent fire resistance, this one can be your best pawn. Note that there’s a price for every quality.

  1. Loose-fill fiberglass

This lightweight insulation system is made from glass – heated into a liquid, then spun into slight fibers. If you are looking for a moderately priced material with half the premium quality, you can give this a go.

In addition to considering the material cost, it’s important to factor in each material’s R-value. This value is crucial in determining the insulation’s effectiveness and significantly affects the overall cost.

This value will determine the blown-in insulation cost per square foot. R-value is the number of thermal values determining the material’s insulating effect. The bigger the number, the greater the effect will be.

Read also: Spray Foam Insulation Cost Per Square Foot

Now you may start to wonder how much does blow in insulation costs per square foot. The short answer to it is – it depends.

As aforementioned, you should consider these things to know how much money you need to prepare.

  • The total area you want to insulate,
  • The material you are using, its R-value, and its price per bag,
  • Any labor cost involved, like the service cost of blown-in insulation contractors and
  • Types of areas you are going to insulate. Insulating areas near electrical wiring may cost you a bit more.

To get a clear idea of the costs involved, the average cost of blown-in insulation is typically around $1.00 to $1.50 per square foot. This estimate can vary based on factors like the type of insulation material and the specific requirements of your home.

Installation costs will take an hourly rate of US$ 40-70. If counted in total, it can take around US$600 to US$1,500 to insulate 1,000 square feet of attic or wall space with an R-value of 30. Of course, this number will differ significantly depending on those earlier-mentioned aspects.

Comparatively, other insulation methods, like spray foam insulation, might offer different benefits and costs. However, blown-in insulation remains popular due to its efficiency in covering hard-to-reach areas and its adaptability to various home designs.

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RoofLast is an experienced author and roofing expert. With years of practical experience in the field authored several informative articles on various aspects of roofing, including installation, maintenance, and repair