Best Blown In Insulation For Attic

A bag of fiberglass insulation will cover approximately 65 square feet.
Best blown in insulation for attic. Contractor grade 30 lb. 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. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
For diy attic insulation you ve got two choices. Both can be added to uninsulated attics or layered over existing material. When blown in cellulose gets into some of the tight corners and hard to reach areas in the attic cavities. Blown in insulation flows down around wall studs.
You d need a thickness of. Bag of all borate insulation is ideal for professional contractors that offer blow in attic sidewall and floor applications. 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. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts.
Blown in fiberglass is considered flame resistant. We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice. 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.
Bag of all borate contractor grade 30 lb. A bag of cellulose insulation covers about 30 35 square feet of attic space if you are blowing in 10 inches. The installer taking his best firefighter pose holds a large hose and blows the chunks into the attic. Cellulose can be either a loose fill or blown in material and is primarily made of recycled newsprint or denim.
Cellulose blown in ceiling insulation is a good choice for diyers. Insulation efficiently fills gaps. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. Cellulose is the oldest insulation material used for not only the attic but other areas of the home as well.
Materials can be layered for added protection. Loose fill or batt the common term for blanket insulation. It can be effectively blown over existing insulation and.