www.foamit.ca Spray foam insulation combines all the benefits of the other insulation types, it can be used as a primary source of insulation but it is also a great product for adding to existing areas for extra protection. Its ability to stop air and moisture infiltration makes it a great energy efficient insulation option. On the surface Spray foam insulation looks like the most expensive insulation options as its initial costs are greater and the installation must be carried out by a professional but its energy saving properties are far better than other choices. In the long run, it will pay for itself over and over again. Although the purchasing and installation of insulation can be costly initially, the long term savings are exponential. After the first few years where the insulation will pay for itself you will begin to make huge savings of your energy and utility bills making the initial expenditure worthwhile. Look into installing spray insulation in areas of the house such as the basement and attic in order to maximize your savings.