Blown-in cellulose insulation is a loose-fill product made from wood or paper materials, often used in existing closed walls or attics to maintain indoor temperatures year-round. By easily filling ...

Most cellulose insulation is sold in 20- to 25-pound bags. It can be installed in several different ways. For loose-fill attic insulation, homeowners can rent equipment to fluff the material and blow ...

Many attics today are insulated with either fiberglass batts, which have an R-value of approximately 3.2 per inch, or blown-in loose cellulose which has an R-value of approximately 3.5 per inch.

Be aware that loose cellulose insulation will settle as much as 20 percent, thus reducing the stated R-value. This can be mitigated if the installer uses a dense-pack method.

3 hot home renovations The insulation has a low toxicity to mammals such as mice that filter out the poison through their livers, Ansley says. But because the cellulose insulation is loose and ...

Insulation plays an important role for your home, but there's a variety of types to choose from. This is our guide to the ...

BLOWN-IN (LOOSE FILL) INSULATION Sample R-Value: R-13 per 4.29" initial thickness; 3.86" per settled thickness (example used is GreenFiber Blow-In Natural Cellulose Insulation) ...

Blown-In Insulation, Fiberglass or Cellulose: These loose-fill insulation materials are ideal for filling irregular spaces and achieving even coverage. They’re a great choice for attics with ...

Cellulose (light to medium gray, loose, with a definite “ground cardboard” look to it) — average R-3.7 per inch So for example, suppose you have about 6 inches of loose fiberglass in the attic.

Loose-fill cellulose insulation can vary from about 3.2 to 3.8, depending on how thoroughly it is installed. Sprayed polyurethane foam can be rated as high as 6.0 to 7.3 per inch.

Adding cellulose over fiberglass batts is a good idea, and as a contractor, I would not remove insulation to add more. This would cost you more money and, honestly, is not needed unless you have ...

Fiberglass blanket insulation provides an R-value of from 2.9 to 3.8 per inch of thickness. Loose-fill cellulose insulation can vary from about 3.2 to 3.8, depending on how thoroughly it is installed.