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.

Blown cellulose vs blown fiberglass in attic.

But which one should you pick. Cellulose resists blowing when installed fiberglass tends to blow around stick to the attic ceiling and drift. The higher the r value the more efficient it is. As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould.

Both types of insulation can you know insulate. Advantages and disadvantages of fiberglass. At 3 5 per inch of material the r value of blown in cellulose is 23 better per inch than fiberglass batts. You can find high r value insulation produced in both fiberglass and blown cellulose.

If you ve got bare uninsulated areas on the floor of your attic getting some kind of insulation in there is a must. Fiberglass batts however are less expensive costing on average 0 30to 0 40a square foot for 6 inches of insulation. In most houses around atlanta the choice of insulation material comes down to fiberglass vs. Cellulose produces much less static than fiberglass.

Dry blown cellulose will characteristically settle and sag in place reducing its r value. Blown in cellulose installer benefits local source provides consistent deliveries. With that said most homeowners agree that blown cellulose is slightly more efficient due to the face that it blocks more air than fiberglass. Making cellulose a better choice for homes in northern climates.

Any insulation is better than no insulation. Cellulose is the second most common.