If you are experiencing a rise in energy bills lately, and you find the indoor temperature more and more uncomfortable to live in, investing on Blown-in or Spray Foam Insulation can be a good idea. Find out   how much do blown-in and  spray foam insulation cost   and the benefits of both types of materials. What Is Blown-in Insulation? It is an insulation material composed of cellulose or fiberglass, which is blown into wall cavities, for filling up gaps or holes. It is perfect for attics with spaces that are tough to access and insulate with the aid of fiberglass insulation, because of their shape and size. The average cost for Blown-in Insulation is in the range of £300 - £450, factoring in the labor and material price. The per square foot cost of blown-in insulation installation is in the range of 0.73 to 1.09 pounds. What Is Spray Foam Insulation?     Spray foam insulation is a type of air barrier. This kind of insulation material helps seal ceiling cavities, floors and walls aga