Shop our selection of Blow in Insulation in the Building Materials Department at The Home Depot. Installed R FiberglBlown in Attic Insulation.Generally, any attic insulation project is going to cost between $. to $. per square foot. This pricing structureumes that installers charge an average of $ per hour, and electricians between $ to $ per hour..Like many things in life, insulating an attic with blown in insulation is something none of us do very often and generally have no idea what it could should cost. If .Use this Blown In Insulation Calculator to determine how much insulation you’ll need to purchase for your home. How much blown in attic insulation do I need?.
Therefore, when calculating costs and labor for square feet of attice, the average homeowner should expect to pay $ $, for materials. About $ for equipment rental which is sometimes offered for free with the purchase of a set amount of insulation For a total of $ $,..