Add vapor retarder to avoid problems arising from the condensation of water droplets on it especially during winters.
Faced or unfaced insulation in attic over garage.
Here s what you need to know about the facing on attic insulation.
The primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the outdoors or unheated spaces such as an unfinished.
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.
If you decide to use faced batt insulation instead fit it facing toward the room above the garage.
Insulation is used reduce the transference of heat between conditioned area your house and non condition areas garage and outdoors.
The best choices for this type of application include comforttherm kraft faced or unfaced with a separate vapor retarder film placed over the insulation.
Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes.
Staple it into place by tacking every eight inches or so and take care not to tear away the facing of the insulation.
It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.
The good news is that the solution to your problem isn t that difficult.
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.
A garage attic also should be insulated is if there is an air conditioned room above the garage.
Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll.
The insulation will keep the naturally hot or cold air in the garage and the artificially warmed or cooled air in the room above it.
Attic insulation is available with and without a paper facing.
The facing contains a thin layer of asphalt which acts as a vapor barrier to block moisture.
You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling.
Whether you choose faced or unfaced insulation for the attic depends on the.
It s important to use the right type of insulation to prevent moisture problems in your attic.
The same applies to faced unfaced and other kinds of insulation products.
If you do not heat or cool an area it is considered to be unconditioned.