Best Blown In Insulation For Attic

A bag of cellulose insulation covers about 30 35 square feet of attic space if you are blowing in 10 inches.

Best blown in insulation for attic.

Loose fill or batt the common term for blanket insulation. For diy attic insulation you ve got two choices. A bag of fiberglass insulation will cover approximately 65 square feet. When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect.

The installer taking his best firefighter pose holds a large hose and blows the chunks into the attic. Greenfiber cellulose insulation fills gaps and voids to create an energy saving thermal blanket that can lower heating and cooling costs by 25 and reduce sound power by 60. When blown in cellulose gets into some of the tight corners and hard to reach areas in the attic cavities. Blown in fiberglass is considered flame resistant.

The best types of home attic insulation are open cell spray foam fiberglass and cellulose. Blown a better choice is insulation that comes in smaller chunks. We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice. Contractor grade 30 lb.

Cellulose can be either a loose fill or blown in material and is primarily made of recycled newsprint or denim. Bag of all borate contractor grade 30 lb. A large machine outside churns the chunks and uses air to blow them up through the hose. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs.

Boric acid borax or aluminum sulfate used in cellulose insulation provides resistance to mold pests and fire that can occur in the attic. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. It can be effectively blown over existing insulation and. You d need a thickness of.

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. Blown in insulation flows down around wall studs. Materials can be layered for added protection.

Cellulose is very inexpensive when it comes to attic projects in comparison to other materials. Bag of all borate insulation is ideal for professional contractors that offer blow in attic sidewall and floor applications. Insulation efficiently fills gaps.