Framed wall insulation must meet or exceed r 13.
Faced vs unfaced insulation attic in florida.
Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but.
Kraft faced insulation includes a paper vapor retarder which helps prevent mold and mildew.
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.
Unfaced means the insulation lacks a vapor retarder paper or plastic facing.
Unfaced insulation should be used when you re adding insulation to your attic that already has insulation.
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.
Insulation being unfaced doesn t mean it s a bad choice.
Faced or the type with paper is typically used in first time applications such as in walls ceilings floors and in crawl spaces.
Unfaced insulation pros.
Unfaced batts are laid perpendicularly atop existing batts to improve heat retention and beef up the r value on the longer run.
Ceiling insulation must be much higher at r 30 and a raised floor must be at.
In a nutshell.
On average unfaced insulation costs 0 10 to 0 25 less per square foot to install than faced insulation.
Insulation requirements in florida.
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.
Insulation in rolls called batts comes in two varieties.
Residential requirements for insulation are divided by the location in the home.
For many contractors the decision to use one kind of insulation over the other depends solely on preference rather than a by the book decision making process.
The same applies to faced unfaced and other kinds of insulation products.
What is the right insulation for an attic.
Summary of faced vs.
Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration.
Great for adding insulation if you re adding a layer of new insulation on top of old faced insulation unfaced is the way to go.
Any time you use a faced insulation the paper needs to be facing toward the living space.
It means ensuring that it s the right product for your space.
