What Type Of Insulation For Attic

Both can be added to uninsulated attics or layered over existing material.

What type of insulation for attic.

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. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. R value measures how resistant types of insulation are to heat flow.

In particularly cold climates you might go up to r 60. R values vary based on the type thickness and density of the insulation 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. Insulation is rated by its r value.

Modern technology of blanket insulation today is considered the best insulation for attic. Closed cell and open cell aka 2 pound and pound respectively. For diy attic insulation you ve got two choices. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.

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. Your home s r value score will guide you toward the type of insulation you need. The most common type of insulation batts and blankets are great for diy projects. Loose fill or batt the common term for blanket insulation.

Choose from two types. Spray foam attic insulation. Rolls and batts are produced of mineral wool and fiberglass. 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. 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. Spray foam offers the best attic insulation performance available.

The third major type of insulation is spray foam. 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.