Which Insulation Is Better For Attic

A large machine outside churns the chunks and uses air to blow them up through the hose.

Which insulation is better for attic.

You can achieve better thermal performance in your attic by adding an additional layer of insulation. Loose fill or batt the common term for blanket insulation. Ready to find the supplies you need in your local store. This type of insulation.

Batts must be cut tightly and you can t have gaps. For diy attic insulation you ve got two choices. The higher the r value the better the thermal performance of the insulation. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.

Installing or adding insulation to the ceiling plane is rather straighforward. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. The thermal performance of fiberglass insulation is directly related to its ability to trap and maintain very small pockets of air. Cellulose recycled ground up paper with boric acid added for insect control and fire resistance offers a better attic insulation option than batts.

Insulation level are specified by r value. And you may use very different insulation materials. It s available in fiberglass mineral wool plastic fibers and natural fibers. If you choose to install cellulose yourself you can buy the insulation in bags from your local home improvement store.

The installer taking his best firefighter pose holds a large hose and blows the chunks into the attic. The main benefit of blown insulation is that it is a much more consistent type of insulation. With this method the insulation is simply blown onto the attic floor and no matter what type of joists studs or wiring that may be in play the blown insulation will naturally form itself tight around any of these creating a layer of strong insulation. Insulation levels are specified by r value.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. R value is a measure of insulation s ability to resist heat flow. R value is a measure of insulation s ability to resist heat traveling through it. Blown in fiberglass creates a seamless blanket in your attic.

The higher the r value the better the thermal performance of the insulation. Cellulose and other fibrous materials are good and inexpensive choices. A better choice is insulation that comes in smaller chunks. Both can be added to uninsulated attics or layered over existing material.

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