Cellulose
An economical alternative, Blown in cellulose is an ideal material to add insulation to you home. It is also excellent in hybrid insulation systems for new construction. Cellulose blown insulation also is one of the few materials that does not lose it's R-value when temperatures decrease. Fiberglass insulation will lose 47% of its R-Value at 0 degrees F.
Cellulose blown in attic