Attic Insulation Fiberglass Vs Cellulose

Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall.

Attic insulation fiberglass vs cellulose.

Understanding what you are putting into your home is important to you as a homeowner a parent and an individual and its important to us that you know the facts. Fiberglass batt or roll insulation r3 2. Check out our many resources below. Thus creating a more energy efficient home.

So what are the advantages and disadvantages of each of these. Batt insulation is available at home centers and lumberyards. Cellulose is more difficult to cheat than fiberglass. Before choosing blown vs.

Blown in insulation requires a professional. Assuming your current attic insulation is made from fiberglass and has a value of r 13 you d have to add roughly 10 inches of additional fiberglass to hit r 38. This keeps the air from moving within the insulation and from penetrations between the air conditioned space and the attic. Because it is denser than fiberglass cellulose is much more resistant to wind washing.

Cellulose has 38 better air infiltration than fiberglass. Batt insulation take time to read this column. You can get to the same place with either material. This is called wind washing.

The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Cellulose wins last update. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

When comparing blown in insulation both fiberglass and cellulose are nearly identical in price both costing around 0 70 to 0 80 per square foot for 6 inches of insulation. Dirty fiberglass batts have a significantly reduced r value. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Compared to fiberglass cellulose is a superb air blocker.

Cellulose insulates better than fiberglass especially in very cold weather. Cellulose forms a dense continuous mat of insulation in your attic. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to. We have written many articles on the different types of insulation.

Fiberglass insulation and cellulose insulation offer similar r values. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Or 7 inches of cellulose.