Unfaced Insulation In Ceiling

Unfaced means the insulation lacks a vapor retarder paper or plastic facing.
Unfaced insulation in ceiling. Any time you use a faced insulation the paper needs to be facing toward the living space. Faced or the type with paper is typically used in first time applications such as in walls ceilings floors and in crawl spaces. Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but it has facing on it and that could create a. An unfaced insulation product does not mean that this product is any less effective that its paper faced counterpart.
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. It means ensuring that it s the right product for your space. Insulation slows the movement of warm air toward cooler air. Kraft faced insulation includes a paper vapor retarder which helps prevent mold and mildew.
Walk out basement wall insulation how to best insulate basement walls a fibergl batt insulation in floors unfaced vs kraft faced insulation. Rockwool comfortbatt r 23 39 8 sq ft unfaced stone wool batt insulation 15 25 in w x 47 in l 469 johns manville r 30 88 sq ft faced fiberglass batt insulation 24 in w x 48 in l. 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.
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. On july 29 2020 by amik. Should i use faced or unfaced insulation in my basement ceiling. Insulation in rolls called batts comes in two varieties.
Insulate between rafters when constructing a raised or cathedral ceiling in a home or when making the attic a heated space. Kraft faced insulation should be installed in exterior walls exterior basement walls and attic ceilings by pressing the product into the wall cavity with the paper side.