Blown Cellulose Vs Blown Fiberglass In Attic

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.

Blown cellulose vs blown fiberglass in attic.

If you ve got bare uninsulated areas on the floor of your attic getting some kind of insulation in there is a must. Cellulose is the second most common. You can find high r value insulation produced in both fiberglass and blown cellulose. In most houses around atlanta the choice of insulation material comes down to fiberglass vs.

According to research done at the oak ridge national lab fiberglass loses up to 50 of its r value in very cold conditions. Cellulose resists blowing when installed fiberglass tends to blow around stick to the attic ceiling and drift. Making cellulose a better choice for homes in northern climates. Wet blown cellulose is also subject to similar contamination too.

The higher the r value the more efficient it is. Cellulose produces much less static than fiberglass. Advantages and disadvantages of fiberglass. As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould.

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. Blown in cellulose installer benefits local source provides consistent deliveries. Fiberglass batts however are less expensive costing on average 0 30to 0 40a square foot for 6 inches of insulation.

Any insulation is better than no insulation. At 3 5 per inch of material the r value of blown in cellulose is 23 better per inch than fiberglass batts.