Best Blown In Insulation For Attic

Cellulose blown in ceiling insulation is a good choice for diyers.

Best blown in insulation for attic.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. It can be effectively blown over existing insulation and. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. Bag of all borate contractor grade 30 lb.

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. Cellulose can be either a loose fill or blown in material and is primarily made of recycled newsprint or denim. Blown in fiberglass is considered flame resistant. 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.

A large machine outside churns the chunks and uses air to blow them up through the hose. Loose fill or batt the common term for blanket insulation. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts.

Bag of all borate insulation is ideal for professional contractors that offer blow in attic sidewall and floor applications. Blown a better choice is insulation that comes in smaller chunks. A bag of fiberglass insulation will cover approximately 65 square feet. Boric acid borax or aluminum sulfate used in cellulose insulation provides resistance to mold pests and fire that can occur in the attic.

A bag of cellulose insulation covers about 30 35 square feet of attic space if you are blowing in 10 inches. You d need a thickness of. We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice. The best types of home attic insulation are open cell spray foam fiberglass and cellulose.

Both can be added to uninsulated attics or layered over existing material. For diy attic insulation you ve got two choices. Materials can be layered for added protection. When blown in cellulose gets into some of the tight corners and hard to reach areas in the attic cavities.

Cellulose is the oldest insulation material used for not only the attic but other areas of the home as well. Insulation efficiently fills gaps. The installer taking his best firefighter pose holds a large hose and blows the chunks into the attic.