Best Type Of Insulation For Attic

The best type of insulation for attics.

Best type of insulation for attic.

The best insulation for an. But if the job is more complicated than an open attic it s best to hire a pro. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. For diy attic insulation you ve got two choices.

Insulation is rated by its r value. How much insulation your attic requires its accessibility and its structural components drive the type of insulation you need. 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. R values vary based on the type thickness and density of the insulation material.

I d blow insulation on the attic floor after air sealing of course. The big disadvantage with spray foam is cost. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. It consists of flexible fibers most commonly fiberglass.

There are other materials and systems that you can use to insulate your attic. Loose fill insulation is available in either fiberglass or cellulose. Your home s r value score will guide you toward the type of insulation you need. R value measures how resistant types of insulation are to heat flow.

In particularly cold climates you might go up to r 60. In general an attic s r value should be between r 30 and r 49. 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. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

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. 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. Loose fill or batt the common term for blanket insulation.