Cellulose insulation is the oldest material used in home.
Cellulose vs foam insulation attic.
Cellulose vs fiberglass vs spray foam.
Cellulose for attic insulation.
Benefits of cellulose insulation.
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 has an r factor of at least 3 8 per inch moderately higher than fiberglass batts.
Foam does not provide for complete insulation needs and does not address heat loss gain via convention through framing members.
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.
The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.
First installing the product requires labor to staple netting to the stud walls prior to blowing insulation into the cavities.
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.
Because the loose particles blown in fill any and all odd shaped areas of the attic floor.
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.
Sound control with insulation.
So what are the advantages and disadvantages of each of these.
Proper insulation does more than just regulate temperature.
As compared to spray foam insulation cellulose is cheaper and hence more economical for use in homes.
That s why whenever cellulose is blown into a sealed framing bay stud rafter joist etc it should be dense packed.
However if your attic doesn t have any hvac equipment or air ducts you should install cellulose installation.
Cellulose attic insulation pros and cons.
I d blow insulation on the attic floor after air sealing of course.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
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.
Dense packed cellulose will not settle.
Another benefit of insulation is the pet control factor.
Best way to insulate an attic.
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 you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.