Insulating an attic in Allegan, MI can cost anywhere between $1,500 and $3,000. This amount depends on the type of attic you have and the total size of your attic. It is understood that the larger your attic is, the more it will cost you to completely insulate it with spray foam insulation.
Another factor that affects the total cost is whether you decide to insulate the underside of the roof or the attic floor. When the cost is broken down further, you can expect to pay between $1 and $7 per square foot.
Other factors that affect the cost are the quality of spray foam that you choose, whether you use open cell or closed cell spray foam, and the total thickness that is needed. By insulating your attic, you will save between 15 and 50% in energy bills.
Always opt to work with a reputed contractor who will not have hidden fees. A good professional will always give you an estimate regarding the final cost of your project.