Blown Cellulose In Attic

We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

Blown cellulose in attic.

The mounds of loose material fill. 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. The following chart is based on a 1 200 square foot home insulating the attic only. Cellulose attic insulation read more.

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. Cellulose resists blowing when installed fiberglass tends to blow around stick to the attic ceiling and drift. Densely packed bales of cellulose are fed into the hopper of an insulation blower powered by an electric motor.

A bag of cellulose blown in insulation costs 11 47 11 81 at lowes. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. What exactly is blown in attic insulation. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.

Cellulose produces much less static than fiberglass. Cellulose blown in ceiling insulation is a good choice for diyers. There are three types of blown in insulation. As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould.

Dry blown cellulose will characteristically settle and sag in place reducing its r value. Rotating teeth or prongs at the bottom of the hopper fluff up the cellulose. Bag of all borate insulation is ideal for professional contractors that offer blow in attic sidewall and floor applications. Cellulose is easier to keep out of bird blocks and air conditioner condensate pans.

Blown in cellulose installer benefits. Wet blown cellulose is also subject to similar contamination too. Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine. 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.

Bag of all borate contractor grade 30 lb. Local source provides consistent deliveries. The cellulose is blown into the attic or walls through long flexible tubes that run from the blower to an application nozzle.