Difference Between Faced And Unfaced Attic Insulation
What is the difference between faced and unfaced insulation.
Difference between faced and unfaced attic insulation. What is the right insulation for an attic. Difference between faced and unfaced insulation type. There are many types of insulation that are unfaced such as spray foam and loose fill fiberglass. Faced insulation is a vapor retarder and may need to be used in your home depending on your local building codes.
Unfaced insulation should be used when you re adding insulation to your attic that already has insulation so that you don t have to worry about the moisture trap. I ve always said adding insulation to your attic is some of the best money you can spend to make your house more energy efficient but whether to use faced or unfaced insulation is a great question. The key difference between the two is that faced insulation keeps moisture out because it has kraft paper or plastic on one side whereas unfaced only provides insulation. Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration.
Faced insulation has a vapor barrier or a vapor retarder the facing that helps prevent moisture from moving from one space to another. For example an attic should have insulation quality and volume that is rated between r 49 and r 60 in zone 7 regions like buffalo new york where it gets downright icy in the winter. The facing also helps protect the surface hold.