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Types of Insulation

December 20, 2022
beige wooden frame

There are many types of insulation to choose from, and the type you choose will depend on your specific needs and the location and construction of your home. It's difficult to provide accurate prices for different types of insulation as the cost can vary significantly based on the type and quality of the material, the size of the area being covered, and the complexity of the installation. Here is a rough guide to the average cost of different types of insulation, based on national averages:


  1. Fiberglass: Fiberglass insulation is made from strands of glass that are spun into a fiber-like material and is available in rolls or blankets. It is relatively inexpensive and easy to install, but it is not as effective at blocking sound as other types of insulation. Fiberglass insulation can cost anywhere from $0.50 to $1.50 per square foot, depending on the size, style, and quality of the material.
  2. Cellulose: Cellulose insulation is made from recycled paper products and is available in loose-fill or sprayed forms. It is relatively inexpensive and effective at blocking sound, but it is prone to settling and requires regular maintenance. Cellulose insulation can cost anywhere from $0.50 to $1.50 per square foot, depending on the size, style, and quality of the material.
  3. Spray foam: Spray foam insulation is made from polyurethane and is applied as a liquid, expanding to fill gaps and crevices. It is effective at blocking air and sound, but it can be expensive and requires professional installation. Spray foam insulation can cost anywhere from $1 to $4 per square foot, depending on the size, style, and quality of the material.
  4. Rock wool: Rock wool insulation is made from melted rocks that are spun into a fiber-like material and is available in rolls or blankets. It is relatively durable and effective at blocking sound, but it can be expensive. Rock wool insulation can cost anywhere from $1 to $3 per square foot, depending on the size, style, and quality of the material.
  5. Cotton: Cotton insulation is made from recycled denim or other natural fibers and is available in loose-fill or batt forms. It is relatively sustainable and effective at blocking sound, but it can be expensive and prone to settling. Cotton insulation can cost anywhere from $1 to $3 per square foot, depending on the size, style, and quality of the material.




Remember, the key is to choose an insulation that meets your specific needs and is appropriate for the location and construction of your home.