Cellulose Versus Fiberglass Attic Insulation

So what are the advantages and disadvantages of each of these.

Cellulose versus fiberglass attic insulation.

You can get to the same place with either material. Cellulose insulation blown in attic r 3 6 r3 7. Or 7 inches of cellulose. 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.

Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity. Lastly when blown onto the floor of an attic with vented soffits both loose fill cellulose and fiberglass are susceptible to wind. If paired with a vapor barrier in a high moisture environment like your basement it can be problematic. So it seems to me the real debate.

Cellulose and fiberglass are fibrous insulation which can easily trap moisture. Cellulose insulation blown in wall r 3 8 r3 9. Unless you opt for spray foam then the insulation choices normally come down to 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.

Properly installed they will both remain in place for the life of the home. 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.