Your Local Maine Insulation Experts.

Contact: 207-749-2567

Interior view of a room under construction with plaster insulation and large windows showing snow outside.

At Fiber Insulation LLC, we specialize in high-quality, energy-efficient insulation solutions that stand the test of time.

Our experienced team is committed to honest assessments, transparent pricing, and top-tier workmanship on every project. Whether you’re battling cold New England winters, looking to save on energy bills, or both, we are here to deliver comfort, savings, and peace of mind- everytime.

Snow-covered backyard view of a house under construction with green sheathing, bordered by tall leafless trees, and building materials in the foreground.

What We Do

  • Loose fill and dense pack cellulose and timber HP

  • Air sealing

  • Vaper permeable membranes

  • Energy retrofit and new construction

  • Residential and commercial

  • Blower door testing

We love what we do.

When we install your insulation, we bring proven new techniques, advanced machinery, and source local by utilizing Fiber Installs Dense-Pack Cellulose, Maine’s own Timber HP Product.

The natural products used by Fiber Insulation, LLC will not have a negative impact on your health. We are providing a safe and environmentally conscious product that contributes to your building’s indoor air quality, comfort, and resilience.

Why choose Fiber Insulation, LLC?

Two men smiling in a construction site, wearing baseball caps and casual shirts, with wooden framing in the background.

Aaron and Ben, Co-Owners