Attic Insulatiopn Types

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.

Attic insulatiopn types. Closed cell and open cell aka 2 pound and pound respectively. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Spray foam offers the best attic insulation performance available. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.

In particularly cold climates you might go up to r 60. It s a fast and easy diy project that two people can do in an afternoon. I d blow insulation on the attic floor after air sealing of course. In general an attic s r value should be between r 30 and r 49.

Insulation types include loose fill batts rolls foam board spray board and vapor barriers. Your home s r value score will guide you toward the type of insulation you need. Choose from two types. The type of insulation you need depends on which type is currently installed and the required r value.

The big disadvantage with spray foam is cost. The most common insulation materials are fiberglass cellulose and foam. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

For diy attic insulation you ve got two choices. There are three types of blown in insulation. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Here the insulation can be blown right over top of existing insulation to any depth or r value.

Loose fill or batt the common term for blanket insulation. Blowing insulation into an attic the most popular project for using blown in insulation is adding insulation to attics. Blowing insulation into walls. Spray foam attic insulation.

Both can be added to uninsulated attics or layered over existing material. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. You also can find batts and rolls made from mineral rock and slag wool plastic fibers and natural fibers such as cotton and sheep s wool.