Attic Insulatiopn Types

It consists of flexible fibers most commonly fiberglass.

Attic insulatiopn types.

In particularly cold climates you might go up to r 60. The big disadvantage with spray foam is cost. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Spray foam attic insulation.

Spray foam offers the best attic insulation performance available. There are three types of blown in insulation. Blowing insulation into walls. Closed cell and open cell aka 2 pound and pound respectively.

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. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. It s a fast and easy diy project that two people can do in an afternoon. Here the insulation can be blown right over top of existing insulation to any depth or r value.

If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Blowing insulation into an attic the most popular project for using blown in insulation is adding insulation to attics. In general an attic s r value should be between r 30 and r 49. 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.

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. The type of insulation you need depends on which type is currently installed and the required r value. The most common insulation materials are fiberglass cellulose and foam. Choose from two types.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. For diy attic insulation you ve got two choices. Both can be added to uninsulated attics or layered over existing material. Your home s r value score will guide you toward the type of insulation you need.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. I d blow insulation on the attic floor after air sealing of course. Insulation types include loose fill batts rolls foam board spray board and vapor barriers.