Insulating The Attic: faced vs unfaced Insulation?


For those wondering which is betterfaced or unfaced insulation, the answer is fairly simple. For home owners seeking to conserve energy and lower their heating and cooling bills, faced insulation is certainly the route to go.

faced vs unfaced insulation

Unfaced insulation is not only cheaper to install, it is also better for the environment. This article will look at the differences between face and unfaced insulation. When it comes to making the decision about which type of insulation to install, one of the first things most homeowners look at is the cost.

It seems like common sense that if you are replacing your roof, then you should make sure you select the best product available. It is a given that most people would choose faced insulation, as it is designed to fit snugly against the roof rafters.

In addition to its fit, it is manufactured in a variety of lengths, thereby allowing it to be cut to fit almost any space. Faced or unmasked insulation is also easier to replace. Unmasked versions can simply be removed from the spaces where they are needed.

kraft faced insulation

Another consideration for most homeowners is the question of whether or not using unfaced insulation is better than using a vapor barrier.

Most vapor barriers are installed using metal screws and nails. Although these work fine for fastening down gaps, they can be quite expensive, which can make them prohibitively expensive when it comes time to replace them.

Also, because vapor barriers are installed so close to the surface of the home, mold and mildew can easily develop. With face insulation, on the other hand, moisture barrier tends to work better due to the fact that it is placed above the surface of the home.

difference between faced and unfaced insulation

One other reason to consider using unfaced versus facing insulation is that using this method can actually save you money on your heating and cooling bills. If you install wall-to-wall insulation, you will need to spend more money on your HVAC equipment, which will increase your utility costs.

You may also find that installing the actual sheet insulation beneath your drywall results in a faster installation time, as well as a more attractive finish on your finished ceiling or wall. When you use unfaced insulation.

However, you will have less insulation in contact with the floor or the ceiling, which can lead to moisture being trapped in the spaces between the sheet. If this occurs, the resulting gap can result in moisture leaking into the living space.

faced or unfaced insulation

In addition, using unfaced versus faced insulation can result in a healthier home. Unfaced materials are less likely to contain mold or mildew. This does not mean that a home that is filled with undated material will necessarily be safer than one that is filled with faced material.

In fact, faced material can provide the perfect breeding ground for mold and mildew, as the moisture is trapped within the seams of the sheet. Unfaced material can also provide a higher ceiling temperature, which can be beneficial if you are trying to reach the cooler zones of your house.

There are several types of insulation available for purchase today, and each one offers different advantages. Among these different types of insulation materials are R-values.

difference between faced and unfaced insulation

The R-value of an insulation product is determined by basic mathematical principles, namely the square of the area of a polygonal area and the weight per square foot of that polygon. Higher R-values indicate better resistance to heat loss.

Among the most popular insulation materials that are used in residential applications are fiberglass batt insulation, spray foam insulation, cellulose fiberboard insulation, wool insulation, and cellulose moisture barrier.

If you are interested in getting sheet frosted or smoked faced insulation, your options will be somewhat limited, as many local building codes do not require it. However, if your goal is to reduce moisture absorption through your home’s walls and windows.

what is faced insulation and kraft faced insulation

Then you may want to consider using sheet frosted or smoked insulation, as it does provide excellent thermal performance. Sheet frosting provides a smooth, even surface to place the insulation material against, while smoking provides a barrier between the insulator and the wall or other penetrations.

Installing sheet frost or smoked faced insulation can be a messy and time-consuming job, so if you do not have the proper equipment or skills, hiring a contractor would be your best option.

One drawback to installing sheet insulation is that it does not effectively reduce heat transfer through the walls, which means you will need additional framing to support the installation.

kraft faced insulation

Another type of insulation that is sometimes installed between exterior walls and the insulation is blow-in. Blow-in is more effective at reducing air infiltration through the walls, as it has a higher R-value than fiberglass batts.

However, due to the relatively tight spacing between the insulation balls, blow-in insulation can be prone to “penetration,” which refers to air getting trapped between the insulation balls. This can increase moisture absorption around the edges of the blown-in insulation balls. An effective solution to this problem is to install air ducts in the attic instead of blowing in insulation.