Attic insulation is available with and without a paper facing.
Foil faced insulation in attic.
The reason why you need foil insulation when sunlight impinges directly on a metal roof it drives the temperature of the metal as high as 180 degrees fahrenheit.
Faced insulation products not only use paper they can also use aluminum foil vinyl and even aluminum paper.
It is important not to mix them nor use the wrong faced insulation product for each task.
This also helps prevent moisture migration to the attic through the batts.
Products 60 48 26 rolls.
Polyiso comes in several thicknesses and is used over house sheathing underneath siding or in attic spaces where its reflective properties are very effective.
48 wide perforated double sided radiant barrier foil best selling.
It is basically designed to keep drywall dry.
The shower has two outside walls.
When to use foam board insulation.
Both can be added to uninsulated attics or layered over existing material.
When to use paper faced.
26 wide perforated double sided radiant barrier foil for trusses.
Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll.
Loose fill or batt the common term for blanket insulation.
It s important to use the right type of insulation to prevent moisture problems in your attic.
The facing contains a thin layer of asphalt which acts as a vapor barrier to block moisture.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
However there are also insulations like spray foam insulation that is designed to be moisture retardant anyway when facing isn t required.
Mostly paper faced insulation is the best choice for neophytes in insulation installations.
Whether you choose faced or unfaced insulation for the attic depends on the.
In the absence of a foil.
I live in the sacramento valley area which gets very hot and dry in the summer doesn t get to cold in winter but foggy damp days in the 30 3 and 40 s.
Here s what you need to know about the facing on attic insulation.
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.
It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat.