Put the right R-value to work in your home. Choose the correct R-value for your project and climate to maximize energy efficiency and temperature control. R-values indicate the level of resistance to heat flow. The higher the R-value the greater the temperature control.
Installing insulation.Insulation has two key functions, thermal protection and sound control. To maximize the thermal protection of your home in all seasons, insulate exterior walls, attics, ceilings, floors and crawl spaces.