As you ve discovered since you already had insulation in your attic the layer of new insulation you added should have been unfaced to prevent moisture from becoming trapped between the layers.
Faced or unfaced attic insulation.
Both can be added to uninsulated attics or layered over existing material.
Loose fill or batt the common term for blanket insulation.
Like blanket or batt insulation foam board comes in faced and unfaced varieties.
Whether you choose faced or unfaced insulation for the attic depends on the.
For diy attic insulation you ve got two choices.
Among the many insulation options available for the homeowner there is one that stands above the rest paper faced insulation.
Paper faced insulation means that one side of the insulation material comes lined with paper.
It s important to use the right type of insulation to prevent moisture problems in your attic.
If you live in a humid and wet climate there may be local building codes that require faced insulation over unfaced.
It is basically designed to keep drywall dry.
In other words the facing usually faces in toward the living space or into the attic or basement area in unfinished attics and basements.
The primary function of the vapor retarder is to keep moisture from spreading within the walls and throughout the house.
The good news is that the solution to your problem isn t that difficult.
Buy 20 or more 16 09.
This is usually kraft paper but sometimes other types of paper can be used.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
The facing contains a thin layer of asphalt which acts as a vapor barrier to block moisture.
Simply peel the facing paper off the top layer of insulation.
If a moisture barrier is required or recommended in your climate zone you will want to use the faced board again reflective facing is a good choice to insulate your walls.
Unlike unfaced insulation faced insulation has a vapor retarder that keeps moisture out.
When to use faced or unfaced attic insulation attic insulation is available with and without a paper facing.
For this reason faced insulation is typically installed on the warm in winter side of the wall.
View the owens corning attic insulation 22 98 22 98.