what is the best type of insulation for a home?
Icynene plastic insulation blown into the walls of a home near Denver. Icynene fills cracks and crevices and adheres to the framing. | Photo courtesy of Paul Norton, NREL. When insulating your home, you can choose from many types of insulation. To choose the best type of insulation, you should first determine the following: Where you want or need to install/add insulation. The recommended R-values for areas you want to insulate.