So you have to insulate?

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See how many bags you’ll need. We promise it’s not brain surgery.

Sure, there are things you’d rather do. But for the one weekend you’ll spend blowing Greenfiber on top of the old insulation in your attic, you’ll get a lot more comfort and save money all year. Plus, you’ll get added fire resistance and noise protection for your home. Bet you didn’t know insulation could do that.

Greenfiber does more for your home.

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 benefits
  • 25% Reduction in Heating & Cooling Costs ¹

    We think you’d rather spend it on something else.

  • Absorbs sound.

    Greenfiber’s noise control helps you tune out the garage band next door.

  • 57% better at resisting fire.²

    When every second counts, Greenfiber can give you more time to get out.

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If walls could talk, they’d recommend Greenfiber.

Across the US and Canada (and it gets really cold there), we’re the energy-saving, cost-effective, smart insulation choice. We’re also the leader in cellulose insulation, making it easily available for use in attics, walls and floors throughout the home.

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¹ Savings vary. Find out why in the seller's fact sheet on R-values. Higher R-values mean greater insulating power. Based on energy analysis of climate zones 1–7 using 2018 IECC reference home comparing R11 attic to DOE recommended attic insulation by climate.

² As demonstrated by The Large Scale Outdoor Fire Test Program comparing the fire performance of three structures: (1) an uninsulated structure; (2) a structure insulated with R-13 fiberglass batts (wall cavities) and blown-in, loose fill insulation (attic floor); and (3) a structure insulated with Greenfiber’s cellulose insulation using spray applied cellulose insulation (wall cavities) and blown-in, loose-fill cellulose insulation (attic floor) - Prepared by Steven Winter Associates Inc.

³ According to Brookhaven National Laboratory Study comparing fiberglass batts to blow-in cellulose insulation. Savings vary. The higher the R-value, the greater the insulating power. Ask your seller for the fact sheet on R-value.

⁴ According to Oak Ridge National Laboratory Study (1991) comparing fiberglass loose fill insulation to blow-in cellulose insulation. Savings vary. The higher the R-value, the greater the insulating power. Ask your seller for the fact sheet on R-value.