Blown Cellulose In Attic

Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine.

Blown cellulose in attic.

What exactly is blown in attic insulation. A bag of cellulose blown in insulation costs 11 47 11 81 at lowes. Contractor grade 30 lb. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts.

Unlike fiberglass insulation installed in roll out batts on the attic floor cellulose is blown into the attic under air pressure through large diameter hoses. There are three types of blown in insulation. Densely packed bales of cellulose are fed into the hopper of an insulation blower powered by an electric motor. Cellulose is easier to keep out of bird blocks and air conditioner condensate pans.

The material can be either fiberglass or cellulose and consists of fiber foam or other materials in small particles and can even feel like down. Cellulose produces much less static than fiberglass. The cellulose is blown into the attic or walls through long flexible tubes that run from the blower to an application nozzle. As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould.

The mounds of loose material fill. Cellulose resists blowing when installed fiberglass tends to blow around stick to the attic ceiling and drift. The following chart is based on a 1 200 square foot home insulating the attic only. Cellulose blown in ceiling insulation is a good choice for diyers.

Rotating teeth or prongs at the bottom of the hopper fluff up the cellulose. Dry blown cellulose will characteristically settle and sag in place reducing its r value. Blown in cellulose installer benefits. Bag of all borate contractor grade 30 lb.

Local source provides consistent deliveries. We re using a labor cost average of 15 per bag. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.

Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. Wet blown cellulose is also subject to similar contamination too. 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.