Attic Insulatiopn Types

Closed cell and open cell aka 2 pound and pound respectively.

Attic insulatiopn types.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. It consists of flexible fibers most commonly fiberglass. Blowing insulation into walls. Both can be added to uninsulated attics or layered over existing material.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. In particularly cold climates you might go up to r 60. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. In general an attic s r value should be between r 30 and r 49.

Your home s r value score will guide you toward the type of insulation you need. 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. The most common insulation materials are fiberglass cellulose and foam. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.

For diy attic insulation you ve got two choices. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. There are three types of blown in insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

Here the insulation can be blown right over top of existing insulation to any depth or r value. Choose from two types. The big disadvantage with spray foam is cost. Blowing insulation into an attic the most popular project for using blown in insulation is adding insulation to attics.

The type of insulation you need depends on which type is currently installed and the required r value. Loose fill or batt the common term for blanket insulation. Spray foam attic insulation. I d blow insulation on the attic floor after air sealing of course.

Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists. 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. Spray foam offers the best attic insulation performance available.