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What is Blown-In Fiberglass Insulation?

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Posted February 22, 2013

Most people are familiar with bats of fiberglass insulation, but did you know that blown-in fiberglass insulation is now available? The blown in variety of fiberglass insulation allows the material to plug and cover cracks and leaks in the structure. Blown-in fiberglass insulation, also known as “loose-fill,” is applied with a blowing machine. Bags of material are placed into the machine and spread onto the installation surface. Blown in insulation can be installed in spaces where bats are difficult to install. Blown in insulation can be installed in walls and ceilings, or in other enclosed spaces.

Fiberglass vs. Celluloid vs. Foam

Blown in insulation may be made from materials other than fiberglass. Celluloid and spray foam are alternatives to fiberglass for blown in insulation. However, fiberglass is less prone to setting than celluloid, so less material is required to insulate the area. Foam insulation is another alternative. However, this option can be costlier in the long run than installing fiberglass material.blown-in fiberglass insulation does not decay or settle in the home over time. This durable choice will last the life of the home. Blown in insulation provides R Values ranging from R-11 to over R-50. Though homeowners can install the blown in insulation themselves by renting a blower and purchasing the proper insulation mix, most people prefer to leave the installation to the professionals.

Why Insulation Is Important

Insulation is important for each home because the material prevents heat transfer and helps the home maintain a comfortable temperature. Insulation keeps cool air inside during the summer. Conversely, insulation keeps the home warm and toasty in the wintertime. If you have ever been inside a drafty home or a home that was not well insulated, you will notice that the home may be cold in one spot and warm in another. Insulation helps your home maintain a comfortable temperature in every room.Regardless of which type of insulation you choose, ensuring that your home is well insulated will conserve energy and save money. A well insulated home will hold the conditioned air inside. Less demand is placed on the HVAC system because the system is not required to constantly run. Your HVAC system runs less, conserving energy and saving you money.
The higher the R-Value of the insulation that is installed, the more heat resistant your home will be. The good news is that the R-Value of insulation is cumulative, which means the effects are additive. If you install blown-in fiberglass insulation to an R-Value of 10, then you return to install a second layer with an R-Value of 10, the total R-Value of your insulation becomes R-20. Even if your home is insulated, you can improve your home’s energy efficiency by installing additional insulation.

If you would like an evaluation of the insulation levels in your home, call Air Specialist. An HVAC technician from Air Specialist will inspect your Katy TX home and system to ensure that your insulation is keeping your home well protected.


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