What Type Of Insulation For Attic

Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.

What type of insulation for attic.

In general an attic s r value should be between r 30 and r 49. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Choose from two types. Loose fill or batt the common term for blanket insulation.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Rolls and batts are produced of mineral wool and fiberglass. For diy attic insulation you ve got two choices. 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.

What type of insulation is right for you. Your home s r value score will guide you toward the type of insulation you need. 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. Modern technology of blanket insulation today is considered the best insulation for attic.

They usually come packaged in rolls and are easy to transport and carry. Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc. Closed cell and open cell aka 2 pound and pound respectively. Spray foam offers the best attic insulation performance available.

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. 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. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. It consists of flexible fibers most commonly fiberglass.

Insulation is rated by its r value. Let s take a look at the different types their costs effectiveness and accessibility as a diy project. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. The most common type of insulation batts and blankets are great for diy projects.

Both can be added to uninsulated attics or layered over existing material. Spray foam attic insulation. R value measures how resistant types of insulation are to heat flow.