SANCTUARY
An eco-friendly cellulose insulation product that delivers unparalleled sound power reduction, highly effective insulation, temperature regulation and fire safety.
Products
High-performance insulation
The Greenfiber® lineup delivers high-performance insulation for any project — bringing peace, quiet and comfort to homes, supporting better living for families, and providing trusted results contractors and homeowners can count on.
SANCTUARY DEFENSE
An eco-friendly, high-performance insulation that delivers everything SANCTUARY® does, but with added protection against 25 home-destroying pests.
FRM Insulation
Combined with our proprietary U370 firewall design, this formula achieves a 2-hour fire resistance rating, plus exceptional reduction in air infiltration and sound control.
Agritherm Insulation
Designed specifically for agricultural structures, this formula delivers superior R-value versus other insulation.
Applegate Insulation
Applegate® Stabilized Cellulose Insulation is designed for professionals who value consistency, dependable coverage and reduced dust during installation.
Contact Us
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Where to Buy
SANCTUARY® by Greenfiber is available at trusted retailers and distributors near you. Use our locator to get started.