Attic Insulatiopn Types

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.

Attic insulatiopn types.

If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Here the insulation can be blown right over top of existing insulation to any depth or r value. In particularly cold climates you might go up to r 60.

Both can be added to uninsulated attics or layered over existing material. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. Blowing insulation into an attic the most popular project for using blown in insulation is adding insulation to attics. For diy attic insulation you ve got two choices.

Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. It s a fast and easy diy project that two people can do in an afternoon. Insulation types include loose fill batts rolls foam board spray board and vapor barriers.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. The most common insulation materials are fiberglass cellulose and foam. It consists of flexible fibers most commonly fiberglass. Spray foam attic insulation.

The type of insulation you need depends on which type is currently installed and the required r value. Choose from two types. 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.

In general an attic s r value should be between r 30 and r 49. Loose fill or batt the common term for blanket insulation. Blowing insulation into walls. 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.

Closed cell and open cell aka 2 pound and pound respectively. I d blow insulation on the attic floor after air sealing of course. There are three types of blown in insulation.