Best Cellulose Insulation For Attic

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Best cellulose insulation for attic.

For eco minded homeowners cellulose is often the insulation of choice because it s made from finely shredded recycled cardboard or newspaper. Pros and cons of loose fill fiberglass attic insulation. Bills03303 via flickr cc by 2 0. Modern technology of blanket insulation today is considered the best insulation for attic.

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. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. To hit code minimums you ve got to add new insulation on top of the old insulation. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.

So it s time to pay close attention to what s happening up there. For diy attic insulation you ve got two choices. I d blow insulation on the attic floor after air sealing of course. The big disadvantage with spray foam is cost.

Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. Rolls and batts are produced of mineral wool and fiberglass. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. Loose fill or batt the common term for blanket insulation.

Like cellulose you need a big machine to blow it in. Assuming your current attic insulation is made from fiberglass and has a value of r 13 you d have to add roughly 10 inches of additional fiberglass to hit r 38. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. There are other materials and systems that you can use to insulate your attic.

Both can be added to uninsulated attics or layered over existing material. If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. Blown in attic insulation image.

This is the most common type of blown in. Loose fill cellulose is relatively inexpensive yet still has an r value of about 3 5 per inch of thickness compared to fiberglass r value between r3 to r4 per inch. Or 7 inches of cellulose. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.