What Type Of Insulation For Attic

Spray foam attic insulation.

What type of insulation for attic.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. What type of insulation is right for you. Choose from two types. 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.

The third major type of insulation is spray foam. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Insulation is rated by its 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. It consists of flexible fibers most commonly fiberglass. In general an attic s r value should be between r 30 and r 49.

Let s take a look at the different types their costs effectiveness and accessibility as a diy project. Both can be added to uninsulated attics or layered over existing material. 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. 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. For diy attic insulation you ve got two choices. They usually come packaged in rolls and are easy to transport and carry. R values vary based on the type thickness and density of the insulation material.

Rolls and batts are produced of mineral wool and fiberglass. The most common type of insulation batts and blankets are great for diy projects. Spray foam offers the best attic insulation performance available. Modern technology of blanket insulation today is considered the best insulation for attic.

Loose fill or batt the common term for blanket insulation. Closed cell and open cell aka 2 pound and pound respectively. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.