Blown Cellulose Vs Blown Fiberglass In Attic

Making cellulose a better choice for homes in northern climates.

Blown cellulose vs blown fiberglass in attic. With that said most homeowners agree that blown cellulose is slightly more efficient due to the face that it blocks more air than fiberglass. 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 in cellulose installer benefits local source provides consistent deliveries. Advantages and disadvantages of fiberglass.

Fiberglass batts however are less expensive costing on average 0 30to 0 40a square foot for 6 inches of insulation. But which one should you pick. You can find high r value insulation produced in both fiberglass and blown cellulose. Cellulose is the second most common.

As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould. If you ve got bare uninsulated areas on the floor of your attic getting some kind of insulation in there is a must. According to research done at the oak ridge national lab fiberglass loses up to 50 of its r value in very cold conditions. 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. The higher the r value the more efficient it is. Wet blown cellulose is also subject to similar contamination too. Any insulation is better than no insulation.

Cellulose resists blowing when installed fiberglass tends to blow around stick to the attic ceiling and drift. Both types of insulation can you know insulate.