How much does Spray Foam Insulation cost compared to other insulation methods?

Spray Foam Insulation is considered to be more expensive than most conventional insulation however it cannot be compared to conventional insulation. When using the Spray Foam Insulation system it actually air seals the building and eliminates energy robbing air leakage and the associated problems with moisture mold and mildew and condensation problems inside the walls. When calculating the actual cost you need to consider the possible need to downsize HVAC systems, eliminate building wraps and eliminate a significant portion of the material and labor costs associated with an air-sealing approach.