What Type Of Insulation For Attic

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.

What type of insulation for attic.

In particularly cold climates you might go up to r 60. Modern technology of blanket insulation today is considered the best insulation for attic. It consists of flexible fibers most commonly fiberglass. For diy attic insulation you ve got two choices.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. 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. Loose fill or batt the common term for blanket insulation. They usually come packaged in rolls and are easy to transport and carry.

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. Both can be added to uninsulated attics or layered over existing material. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. R values vary based on the type thickness and density of the insulation material.

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. 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.

In general an attic s r value should be between r 30 and r 49. Choose from two types. Spray foam offers the best attic insulation performance available. Closed cell and open cell aka 2 pound and pound respectively.

Insulation is rated by its r value. R value measures how resistant types of insulation are to heat flow. Let s take a look at the different types their costs effectiveness and accessibility as a diy project. Spray foam attic insulation.

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. The most common type of insulation batts and blankets are great for diy projects. Rolls and batts are produced of mineral wool and fiberglass.