Attic Cellulose Insulation Vs Fiberglass

Cellulose has 38 better air infiltration than fiberglass.

Attic cellulose insulation vs fiberglass.

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. Fiberglass insulation and cellulose insulation offer similar r values. Compared to fiberglass cellulose is a superb air blocker. Cellulose wins last update.

Cellulose is more difficult to cheat than fiberglass. Cellulose forms a dense continuous mat of insulation in your attic. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to.

Before choosing blown vs. Fiberglass insulation blown in attic r2 2 r4 3. 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. 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. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Fiberglass insulation is the easiest insulation product on the market to install and if installed correctly the most effective product on the market for home attic insulation. Thus creating a more energy efficient home.

Air moving through a vented attic deposits dirt and dust into fiberglass batts. Blown in insulation requires a professional. Because it is denser than fiberglass cellulose is much more resistant to wind washing. So what are the advantages and disadvantages of each of these.

Batt insulation is available at home centers and lumberyards. Dirty fiberglass batts have a significantly reduced r value. Fiberglass batt or roll insulation r3 2. Batt insulation take time to read this column.

Cellulose insulates better than fiberglass especially in very cold weather. Or 7 inches of cellulose. This is called wind washing. When using cellulose blown in dry insulation it requires a machine to achieve its purpose and a training session from wherever you rent the blower from.

The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. 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.