Different Types Of Blown Attic Insulation

The blower forces the insulation through a large hose.

Different types of blown attic insulation.

Batt or blanket insulation is made from glass or cotton fiber and comes in roll form usually in widths of 16 or 24 inches. Just as there are two types of blown insulation fiberglass and cellulose and two types of people those who divide everything into two groups and those who don t there are two types of spray foam open cell and closed cell. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Installing this type of insulation is an.

Insulation types include loose fill batts rolls foam board spray board and vapor barriers. For diy attic insulation you ve got two choices. Each has its pros and cons as well as its own set of adherents who will tell you never to use the other type. Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier.

Both can be added to uninsulated attics or layered over existing material. This type of insulation is sold in compressed blocks which are broken down into tiny pieces by a powerful machine known as an insulation blower. Blanket batts and rolls are typically constructed with fiberglass although versions made of cotton mineral wool and plastic fibers are also available. There are five main types of insulation that you may encounter.

Loose fill or batt the common term for blanket insulation. The type of insulation you need depends on which type is currently installed and the required r value. Rigid insulation is extruded into board form and is often made of plastic. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage.

There are three types of blown in insulation. The most common insulation materials are fiberglass cellulose and foam. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. Because blown in insulation which is fiberglass generally can go on top of the existing insulation the negative thing about blown in insulation is that it makes the attic absolutely impassable when you re done and you need a lot more thickness of it because it has more air inside of it than you would if you used fiberglass bats.