Cellulose Vs Foam Insulation Attic

Fiberglass in an attic i live in a 1940 s cape house in pa with little insulation in the attic spa read more.

Cellulose vs foam insulation attic.

Once installed in the attic cellulose loose fill insulation looks like mounds of freshly fallen snow covering the attic floor. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. We talk more about it here but cellulose insulation is comprised of boric acids and other insect repelling chemicals designed to keep your insulation and home insect infestation free. So what are the advantages and disadvantages of each of these.

Dense packed cellulose will not settle. Cellulose attic insulation pros and cons. Sound control with insulation. Cellulose insulation may be less expensive than foam but in a dense pack installation it has two drawbacks philadelphia based builder postgreen homes has found.

Cellulose vs fiberglass vs spray foam. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. That s why whenever cellulose is blown into a sealed framing bay stud rafter joist etc it should be dense packed. First installing the product requires labor to staple netting to the stud walls prior to blowing insulation into the cavities.

However if your attic doesn t have any hvac equipment or air ducts you should install cellulose installation. Cellulose has an r factor of at least 3 8 per inch moderately higher than fiberglass batts. Best way to insulate an attic. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.

In a new home spraying foam in the roofline can bring the ducts inside the envelope without having to redesign the system and house. Cellulose for attic insulation. Proper insulation does more than just regulate temperature. I d blow insulation on the attic floor after air sealing of course.

Cellulose insulation is the oldest material used in home. If the hvac equipment and air ducts are in your attic it is better to install spray foam insulation specifically with open cell spray foam to protect the equipment and ducts. As part of our ongoing mission to educate our customers we are here to discuss the best insulation for attics and the pros and cons that go along with each insulation type. As compared to spray foam insulation cellulose is cheaper and hence more economical for use in homes.

Foam does not provide for complete insulation needs and does not address heat loss gain via convention through framing members. The cellulose insulation manufacturers association cima claims that insulating a 1500 square foot house with cellulose will recycle as much newspaper as an individual will consume in 40 years. Another benefit of insulation is the pet control factor.