GreenFiber Sanctuary Blow-In or Spray-Applied Insulation

GreenFiber Sanctuary Blow-In or Spray-Applied Insulation

Used as attic insulation and installed in walls, floors and ceilings, Sanctuary will significantly improve the comfort, safety and well-being provided by any home. The first all-in-one fiber insulation that can be blown-in or spray-applied, it’s suitable for all climates and conditions. Capable of reducing sound power by 60% and heating and cooling costs by 25%, it’s easily installed, environmentally responsible, and packaged to optimize coverage and ease of installation.

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Product Description

Product Features
Sanctuary is engineered to fill tiny crevices and gaps, creating a dense, scientifically advanced barrier capable of reducing the power of sound by up to 60%. As cellulose insulation that can be blown-in or spray-applied, Sanctuary can be easily installed over existing insulation, and unlike batt or roll alternatives, it is engineered to fill every gap, void and hard-to-reach place without time-consuming cutting and fitting. Installed in attics, walls, ceilings and floors, Sanctuary keeps homes cooler in the summer and warmer in the winter, reducing heating and cooling costs by up to 25%2. Sanctuary has a Class 1/A fire rating, qualifies as a fire-blocking material and has been proven to be 57% better at resisting fire than most other common type of residential insulation.


  • 60% reduction in sound power
  • 25% reduction in heating and cooling costs
  • 85% recycled material
  • Coverage Area (Sq. Ft.): 48.8 at R-19
  • Package Weight (lbs.): 25
  • Energy Star certified
  • Formaldehyde free
  • Limited lifetime warranty
  • R-Value per Inch: 3.7
  • Insulation Type: Cellulose
  • Fits any wall configuration
  • For use in attics
  • For use in ceilings
  • For use in crawlspaces
  • For use in floors

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General Insulation Company is a B2B distributor – supplier with over 50 locations across the U.S. that stocks a variety of fiber insulation products and accessories for commercial, industrial, and residential construction markets.

Sanctuary Home Brochure

Sanctuary Fact Sheet

Sanctuary Safety Data Sheet