Blown In Cellulose Insulation Attic

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 cellulose insulation attic. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. There are two ways to get your insulation whether fiberglass or cellulose. Johns manville attic protector r 19 blown in insulation sound barrier. Input length width and desired r value of the area to be insulated.
Cellulose insulation has an average thermal value of r 3 7 so you d need just over five inches to equal an r 19 batt. Types of fiberglass and cellulose insulation. And 3 a structure insulated with greenfiber s cellulose insulation using spray applied cellulose insulation wall. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.
2 a structure insulated with r 13 fiberglass batts wall cavities and blown in loose fill insulation attic floor. Bag of all borate insulation is ideal for professional contractors that offer blow in attic sidewall and floor applications. When comparing blown in insulation both fiberglass and cellulose are nearly identical in price both costing around 0 70 to 0 80 per square foot for 6 inches of insulation. Item 213143 model b785sw.
Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. Cellulose blown in ceiling insulation is a good choice for diyers. Very common very problematic. 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 with an attic this type of insulation is just one option along with the other popular alternatives fiberglass batts or blown in fiberglass.
Batts or loose fill. Contractor grade 30 lb. 1 an uninsulated structure. This calculator is to be used as an estimating tool only.
Bag of all borate contractor grade 30 lb. 2 as demonstrated by the large scale outdoor fire test program comparing. 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. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation.
Blown in spray foam batts and blankets.