Cellulose Vs Foam Insulation Attic

If all new homes were insulated with cellulose this would remove 3 2 million tons of newsprint from the nation s waste stream each year.

Cellulose vs foam insulation attic.

Cellulose has an r factor of at least 3 8 per inch moderately higher than fiberglass batts. However if your attic doesn t have any hvac equipment or air ducts you should install cellulose installation. As compared to spray foam insulation cellulose is cheaper and hence more economical for use in homes. 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.

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. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Dense packed cellulose will not settle. That s why whenever cellulose is blown into a sealed framing bay stud rafter joist etc it should be dense packed.

In a new home spraying foam in the roofline can bring the ducts inside the envelope without having to redesign the system and house. Fiberglass in an attic i live in a 1940 s cape house in pa with little insulation in the attic spa read more. Foam does not provide for complete insulation needs and does not address heat loss gain via convention through framing members. Because the loose particles blown in fill any and all odd shaped areas of the attic floor.

Cellulose vs fiberglass vs spray foam. Another benefit of insulation is the pet control factor. Once installed in the attic cellulose loose fill insulation looks like mounds of freshly fallen snow covering the attic floor. First installing the product requires labor to staple netting to the stud walls prior to blowing insulation into the cavities.

Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Sound control with insulation. I d blow insulation on the attic floor after air sealing of course. Best way to insulate an attic.

Cellulose insulation is the oldest material used in home. So what are the advantages and disadvantages of each of these. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Benefits of cellulose insulation.

Cellulose for attic insulation. 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. Proper insulation does more than just regulate temperature.