Blow In Attic Insulation Types

For eco minded homeowners cellulose is often the insulation of choice because it s made from finely.

Blow in attic insulation types.

Don t forget attic pipes. When you install insulation in an existing closed wall or in an attic it likely will be a loose fill product called blow in cellulose insulation. A bag of cellulose insulation covers about 30 35 square feet of attic space if you are blowing in 10 inches. These are large pieces of insulation that hold together because they re made of long interweaving fibers with adhesive binders.

More options exist but these four materials make up the vast majority of installations in minnesota attics where i operate. Cellulose is primarily made from recycled newsprint. Blown in insulation requires the least amount of work but requires special tools and equipment. Loose fill or batt the common term for blanket insulation.

A better choice is insulation that comes in smaller chunks. All of these materials are produced using recycled waste materials. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. There are three types of blown in insulation.

Decide on the type of insulation to use. The installer taking his best firefighter pose holds a large hose and blows. Fiberglass batts cellulose loose fill fiberglass and spray foam. This light as air insulation is manufactured from glass that is heated to a liquid and then spun.

Blown in spray foam batts and blankets. We re here to help. With an attic this type of insulation is just one option along with the other popular alternatives fiberglass batts or blown in fiberglass. Cellulose insulation is calculated based on the depth of the blown in insulation.

Fiberglass insulation is calculated based on the number of batts or rolls you need. Most fiberglass products contain 40 to 60 recycled glass. A bag of fiberglass insulation will cover approximately 65 square feet. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

The most common types of materials used for loose fill insulation include cellulose fiberglass and mineral rock or slag wool. 5 must know pros and cons. Both can be added to uninsulated attics or layered over existing material. Spray foam attic insulation.

For diy attic insulation you ve got two choices.