Different Types Of Blown Attic Insulation

The most common insulation materials are fiberglass cellulose and foam.

Different types of blown attic insulation.

For diy attic insulation you ve got two choices. Loose fill insulation consists of natural or man made fibers that are blown into the ceiling cavity. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. 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. Loose fill or batt the common term for blanket insulation. Blown in insulation is exactly that blown through a tube into your home. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage.

Blanket batts and rolls are typically constructed with fiberglass although versions made of cotton mineral wool and plastic fibers are also available. Each has its pros and cons as well as its own set of adherents who will tell you never to use the other type. 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. The blower forces the insulation through a large hose.

The type of insulation you need depends on which type is currently installed and the required r value. There are three types of blown in insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. There are five main types of insulation that you may encounter.

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. Rigid insulation is extruded into board form and is often made of plastic. Both can be added to uninsulated attics or layered over existing material. 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.