Better For Attic Insulation Fiberglass Or Cellulose

Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.

Better for attic insulation fiberglass or cellulose.

Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Cellulose forms a dense continuous mat of insulation in your attic. If fiberglass batts become compressed losing some of their air pockets then this insulation may be more affected by air flow than cellulose which performs well regardless of density. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.

Per square inch of insulation cellulose has a higher r value than. Cellulose wins last update. Cellulose is more difficult to cheat than fiberglass. R values of fiberglass and cellulose insulation.

Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall. Cellulose has 38 better air infiltration than fiberglass. Cellulose insulates better than fiberglass especially in very cold weather. Blown cellulose is typically the preferred choice of insulation for attics.

What does matter is the type of fiberglass or cellulose and how well it was installed. So what are the advantages and disadvantages of each of these.