Paper faced insulation means that one side of the insulation material comes lined with paper.
Faced or unfaced insulation for attic.
Unlike unfaced insulation faced insulation has a vapor retarder that keeps moisture out.
Any time you use a faced insulation the paper needs to be facing toward the living space.
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Whether you choose faced or unfaced insulation for the attic depends on the.
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The purpose and way to apply is basically the same.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Facing is a layer attached to roll or batt insulation as a vapor barrier to help protect the living space from excess humidity or moisture.
Unfaced insulation is just insulation without an attached moisture barrier.
The facing contains a thin layer of asphalt which acts as a vapor barrier to block moisture.
In crawl spaces unfaced insulation is generally only used when adding to existing insulation.
Faced or the type with paper is typically used in first time applications such as in walls ceilings floors and in crawl spaces.
It s important to use the right type of insulation to prevent moisture problems in your attic.
However there are also insulations like spray foam insulation that is designed to be moisture retardant anyway when facing isn t required.
It is basically designed to keep drywall dry.
Both can be added to uninsulated attics or layered over existing material.
Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll.
If you re using unfaced insulation in an area where a vapor barrier is required or recommended you may be able to add your own barrier using plastic sheeting.
So in an attic the paper faces downward and in a crawl space it faces upward.
For diy attic insulation you ve got two choices.
This is usually kraft paper but sometimes other types of paper can be used.
The primary function of the vapor retarder is to keep moisture from spreading within the walls and throughout the house.
Any potential changes can be secured by asking your local insulation dealer.