Foil Faced Insulation In Attic
Faced insulation products not only use paper they can also use aluminum foil vinyl and even aluminum paper.
Foil faced insulation in attic. Whether you choose faced or unfaced insulation for the attic depends on the. 48 wide perforated double sided radiant barrier foil best selling. Attic insulation is available with and without a paper facing. The reflective side of the board should be oriented to the interior and the nonreflective white side should be oriented to the exterior.
It is important not to mix them nor use the wrong faced insulation product for each task. 26 wide perforated double sided radiant barrier foil for trusses. Mostly paper faced insulation is the best choice for neophytes in insulation installations. This is an even more dense and more expensive foam board insulation.
Products 60 48 26 rolls. If additional insulation is not required the foil facing of ap foil faced foam sheathing can provide additional thermal performance to the attic by functioning as a radiant barrier. It s important to use the right type of insulation to prevent moisture problems in your attic. Foil faced batt insulation helps keep interior heat inside the living area when placed in the attic with the foil side down.
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. This also helps prevent moisture migration to the attic through the batts. In the absence of a foil. It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat.
The facing contains a thin layer of asphalt which acts as a vapor barrier to block moisture.