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It may not be the best topic for small talk, but the more you learn about Greenfiber, the smarter you’ll be about how to use it and all of the reasons you should. Check out the documents, step-by-step instructions, videos and more below.

Some helpful information

  • Attic Installation Guide

    Step-by-step instructions for installing Greenfiber insulation in your attic.

  • Technical Documents

    Find coverage charts, fact sheets, installation instructions and much more.

  • Homeowner FAQ

    Answers to the most common questions about Greenfiber insulation.

How-to & other videos

  • Hear the Sound of Silence in this SANCTUARY Home by Greenfiber

    Experience the sound of silence in this SANCTUARY Home in Scottsdale, AZ. This home with SANCTUARY by Greenfiber spray-applied to exterior and interior walls brings life back into balance by reducing unwanted noise and maximizing comfort.
  • How to Install Insulation in Your Attic

    We know. Insulating your attic probably comes somewhere below cleaning gutters or washing windows on the list of things you’d like to do. But the good news is, it’s a lot easier than you think when you use Greenfiber blow-in cellulose. This video will provide you with helpful tips on what you will need to get started and then walk you through the steps on how to insulate your attic.
  • How to Calculate Your Insulation Needs

    R-value is a measure of resistance to heat flow through a given thickness of material. While R-Value is one way of comparing insulations — the higher the R-Value, the better the insulation performance, it is just one of the factors that determine how an insulation product will perform in the real world. Understanding the R-value that you want to reach is an important step in determining how to properly insulate your home. It will also determine the number of bags that you will need for your project.
  • Retrofit Installation for Exterior Walls

    This video will will provide you with a high-level overview of how to insulate the exterior walls of an existing home. Watch the 'Dense-packing a Wall Cavity' video for more information on the process.
  • Dense-Packing a Wall Cavity

    This video will show you how to dense-pack a wall cavity using a 1-hole method with a nozzle.
  • Calibrating the Machine

    This video will show you how to calibrate the machine and reach the desired densities when installing in walls.
  • Machine Overview for Wall Installations

    This video will provide you with an overview on the fundamentals on how to operate an insulation machine.
  • Open Cavity Dense-Pack Wall Installation

    This video will show you how to dense-pack in open wall cavities behind netting.
  • Greenfiber Sound Reduction

    Where air flows, sound follows. Sanctuary is engineered to fill the tiny joints, crevices and gaps hidden within your attic, walls, floors and ceilings.
  • Greenfiber Comfort & Energy Savings

    SANCTUARY insulation is designed to regulate temperature room by room, when installed in exterior walls, and it can also reduce heating and cooling costs by up to 20%.
  • Greenfiber Fire Resistance

    With a Class1A fire rating, SANCTUARY insulation contains active fire-resistance materials to slow the spreading of flames and give you more time to evacuate in the case of a fire.
  • Elev8 Builder Testimonial

    Chris Little, President & Owner of Elev8 Builders, shares his views on high performance systems.

Technical documents & brochures

  • SDS - ThermoShield & ProCell Green
    Safety Data Sheets
    233.33 KB | PDF
  • SDS - SANCTUARY Stabilized Borate Formula
    Safety Data Sheets
    261.74 KB | PDF
  • SDS - Fire Rated Material (FRM)
    Safety Data Sheets
    219.65 KB | PDF
  • Consumer Bulletin 13 American Lung Association & Greenfiber
    Safety & Performance Documents
    1001.58 KB | PDF
  • Retrofit Brochure
    Product Brochures
    2.87 MB | PDF
  • Carbon Emissions Reduction Brochure
    Product Brochures
    2.99 MB | PDF
  • SANCTUARY Advantages In New Home Construction
    Product Brochures
    406.89 KB | PDF
  • Standard Practices for Installing Cellulose Building Insulation _ CIMA Bulletin
    Installation Guides
    59.76 KB | PDF
  • Attic Floor Installation Instructions for Contractors
    Installation Guides
    550.12 KB | PDF
  • Cathederal Ceiling Application Guide
    Installation Guides
    1.47 MB | PDF
  • Cathedralized Unvented Attic Application Guide
    Installation Guides
    869.36 KB | PDF
  • Wall Spray Manual for SANCTUARY Insulation
    Installation Guides
    732.73 KB | PDF
  • Dry Dense-Packing Wall & Floor Assembly Guide
    Installation Guides
    1.09 MB | PDF
  • EnviroShield Wall System Manual
    Installation Guides
    738.97 KB | PDF
  • SANCTUARY Fact Sheet
    Fact Sheets
    511.21 KB | PDF
  • Pro Cell Green Attic Card
    Coverage Charts
    182.54 KB | PDF
  • ThermoShield Attic Card
    Coverage Charts
    720.54 KB | PDF
  • SANCTUARY Attic Card
    Coverage Charts
    511.21 KB | PDF
  • Limited Lifetime Warranty
    Certificates & Forms
    860.57 KB | PDF
  • Seal and Insulate with ENERGY STAR® Insulation Product Certification Report
    Certificates & Forms
    4.4 MB | PDF
  • Commercial Credit Application
    Certificates & Forms
    220.53 KB | PDF
  • SANCTUARY Home Brochure
    3.59 MB | PDF
  • SANCTUARY 2-Hour Firewall Installation Guide
    787.83 KB | PDF
  • UL Evaluation Report
    723.92 KB | PDF
  • The Carbon Story Of Cellulose Insulation_CIMA Bulletin
    1.5 MB | PDF
  • Contractor Retrofitting Sidewall Installation Guide
    284.93 KB | PDF