Fibreglass Vs Cellulose Attic Insulation

Or 7 inches of cellulose.

Fibreglass vs cellulose attic insulation.

Here are some details on the differences between these kinds of insulation. You can get to the same place with either material. Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall. So what are the advantages and disadvantages of each of these.

This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to. Cellulose and fiberglass have similar insulating values. Cellulose is green cellulose is made of 80 post consumer recycled newsprint. This keeps the air from moving within the insulation and from penetrations between the air conditioned space and the 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. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Fiberglass batt or roll insulation r3 2. Cellulose and fiberglass are the two most popular types of blown insulation and they each have some pros and cons.

Cellulose has 38 better air infiltration than fiberglass. Cellulose forms a dense continuous mat of insulation in your attic. Air moving through a vented attic deposits dirt and dust into fiberglass batts. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.

Cellulose wins last update. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Fiberglass insulation and cellulose insulation offer similar r values. Dirty fiberglass batts have a significantly reduced r value.

Cellulose is more difficult to cheat than fiberglass. This is called wind washing. Both cellulose and fiberglass insulation provide about the same level of insulating power or r value per inch with slightly different results based on the installation procedure. Before choosing blown vs.

Fiberglass insulation blown in attic r2 2 r4 3. Thus creating a more energy efficient home. Batt insulation take time to read this column. When used in an attic space however both types of insulation are ineffective at air flow across the attic floor such as a strong gust of wind.

Batt insulation is available at home centers and lumberyards. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Blown in insulation requires a professional.