Best Kind Of Insulation For Attic

Closed cell and open cell aka 2 pound and pound respectively.

Best kind of insulation for attic.

In general an attic s r value should be between r 30 and r 49. Spray foam attic insulation. But if the job is more complicated than an open attic it s best to hire a pro. Attic insulation that comes in rolls of fiberglass batts is the easiest for a do it yourself type person.

Rolls and batts are produced of mineral wool and fiberglass. For diy attic insulation you ve got two choices. The most common insulation materials are fiberglass cellulose and foam. 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.

Loose fill fiberglass costs around 30 cents per cubic foot and it has an r value of 2 2 2 7 per inch. Loose fill or batt the common term for blanket insulation. In particularly cold climates you might go up to r 60. It s also a fairly good choice if you already have some insulation in the attic floor.

As you can see from the image above there are some differences in the benefits these materials have to offer. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. This kind of insulation is done with aid of spray holders. The third major type of insulation is spray foam.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Your home s r value score will guide you toward the type of insulation you need. Modern technology of blanket insulation today is considered the best insulation for attic. Loose fill insulation is available in either fiberglass or cellulose.

The blanket simply goes around the framing members. Foam is sprayed from the containers in specific places of the house. 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. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

Let s take a a closer look at each material to see which will be best for your attic s needs. Choose from two types. The best places to install this kind of installation are new wall spaces unfinished attics or existing walls. Spray foam offers the best attic insulation performance available.

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