Type Of Insulation Attic
In particularly cold climates you might go up to r 60.
Type of insulation attic. The most common insulation materials are fiberglass cellulose and foam. Your home s r value score will guide you toward the type of insulation you need. 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. 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.
Both can be added to uninsulated attics or layered over existing material. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Spray foam attic insulation. They usually come packaged in rolls and are easy to transport and carry.
Loose fill or batt the common term for blanket insulation. The most common type of insulation batts and blankets are great for diy projects. Let s take a look at the different types their costs effectiveness and accessibility as a diy project. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Choose from two types. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. The third major type of insulation is spray foam. Insulation levels are specified by r value.
For diy attic insulation you ve got two choices. What type of insulation is right for you. Add the right kind of insulation. Spray foam offers the best attic insulation performance available.
The type of insulation you need depends on which type is currently installed and the required r value. 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. 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. It consists of flexible fibers most commonly fiberglass.
Closed cell and open cell aka 2 pound and pound respectively. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. The higher the r value the better the thermal performance of the insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.