Blown Cellulose Vs Blown Fiberglass In Attic

Blown in cellulose installer benefits local source provides consistent deliveries.

Blown cellulose vs blown fiberglass in attic.

According to research done at the oak ridge national lab fiberglass loses up to 50 of its r value in very cold conditions. Dry blown cellulose will characteristically settle and sag in place reducing its r value. Both types of insulation can you know insulate. Cellulose produces much less static than fiberglass.

Cellulose is the second most common. Wet blown cellulose is also subject to similar contamination too. When comparing blown in insulation both fiberglass and cellulose are nearly identical in price both costing around 0 70to 0 80per square foot for 6 inches of insulation. Fiberglass batts however are less expensive costing on average 0 30to 0 40a square foot for 6 inches of insulation.

If you ve got bare uninsulated areas on the floor of your attic getting some kind of insulation in there is a must. At 3 5 per inch of material the r value of blown in cellulose is 23 better per inch than fiberglass batts. In most houses around atlanta the choice of insulation material comes down to fiberglass vs. As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould.

Any insulation is better than no insulation. But which one should you pick. With that said most homeowners agree that blown cellulose is slightly more efficient due to the face that it blocks more air than fiberglass. The higher the r value the more efficient it is.

You can find high r value insulation produced in both fiberglass and blown cellulose. Fiberglass is the most common.