Attic Floor Insulation Faced Or Unfaced
What is the right insulation for an attic.
Attic floor insulation faced or unfaced. The kraft paper. Unfaced crawl space insulation. If i use faced insulation should the paper go towards the outside of the house or the inside. 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.
You may be required to cover the kraft paper with other materials depending on your local codes. You should only use faced insulation as the first layer of insulation. This is the space roughly 12 or so between were the cement wall ends and the underside of the first floor is. It means ensuring that it s the right product for your space.
The insulation is against the wall not towards the first floor. When local building codes require a vapor retardant faced insulation is one of the best options. The same applies to faced unfaced and other kinds of insulation products. Whether using loose fill or batts put the vapor barrier closest to the warm side of your installation where hot moist air would get in facing the house s interior in cold climates beneath floor insulation and the attic s interior in hot climates on top of floor insulation.
Attic ceiling insulation 32 basement wall insulation 18 blow in insulation 1 ceiling insulation 19 certainteed insulation 1 crawl space insulation 56. Unfaced batt insulation is often used for beefing up the r rating with the r rating being the insulation rating scale that says how much or how effective insulation needs to be in that space. Insulation being unfaced doesn t mean it s a bad choice. Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration.
The kraft paper on one side of faced insulation keeps moisture from spreading throughout the walls or ceiling. Basement finished exterior walls. Unfaced insulation in your garage. Or should i use unfaced.
Faced insulation is a familiar type of insulation that often comes in rolls or batts and gets stapled to joists or other beams. Like blanket or batt insulation foam board comes in faced and unfaced varieties. If you do use faced insulation you must take extra precautions to avoid having a fire. For example if you plan on using your garage for your welding projects you run the risk of having a welding fire.