Best Type Of Insulation For Attic

Rolls and batts are produced of mineral wool and fiberglass.

Best type of insulation for attic.

Spray foam offers the best attic insulation performance available. But if the job is more complicated than an open attic it s best to hire a pro. For diy attic insulation you ve got two choices. It consists of flexible fibers most commonly fiberglass.

I d blow insulation on the attic floor after air sealing of course. Modern technology of blanket insulation today is considered the best insulation for attic. The best insulation for an. Closed cell and open cell aka 2 pound and pound respectively.

In general an attic s r value should be between r 30 and r 49. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. Both can be added to uninsulated attics or layered over existing material. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Insulation types include loose fill batts rolls foam board spray board and vapor barriers. 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. Your home s r value score will guide you toward the type of insulation you need.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. How much insulation your attic requires its accessibility and its structural components drive the type of insulation you need. The big disadvantage with spray foam is cost. Loose fill fiberglass costs around 30 cents per cubic foot and it has an r value of 2 2 2 7 per inch.

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 insulation materials are fiberglass cellulose and foam. In particularly cold climates you might go up to r 60. Spray foam attic insulation.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. The type of insulation you need depends on which type is currently installed and the required r value. Choose from two types. There are other materials and systems that you can use to insulate your attic.