What Type Of Insulation For Attic

In general an attic s r value should be between r 30 and r 49.

What type of insulation for attic.

R values vary based on the type thickness and density of the insulation material. 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 most common type of insulation batts and blankets are great for diy projects. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

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. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. 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.

Spray foam attic insulation. Insulation is rated by its r value. Modern technology of blanket insulation today is considered the best insulation for attic. It consists of flexible fibers most commonly fiberglass.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. 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. The third major type of insulation is spray foam. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.

Closed cell and open cell aka 2 pound and pound respectively. R value measures how resistant types of insulation are to heat flow. In particularly cold climates you might go up to r 60. Rolls and batts are produced of mineral wool and fiberglass.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. They usually come packaged in rolls and are easy to transport and carry. Let s take a look at the different types their costs effectiveness and accessibility as a diy project. What type of insulation is right for you.

Choose from two types. Loose fill or batt the common term for blanket 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.