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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.

  • Read 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

  • How to Install Greenfiber Insulation

    This video will help you determine your project needs and successfully installing the product.
  • How to Calculate your R-Value with Greenfiber

    R-value is a measure of resistance to heat flow through a given thickness of material.
  • Big Burn Demo

    Fire-treated cellulose insulation can provide over 50% more fire resistance than traditional fiberglass insulation.

Technical documents & brochures

  • UL Evaluation Report   Certificates & Forms 545.49 KB | PDF Download ↓
  • Submittal Form – All Greenfiber Products   Certificates & Forms 129.44 KB | PDF Download ↓
  • Big Burn Report Summary   Safety & Performance Documents 7.07 MB | PDF Download ↓
  • 2017 Manufacturers Certificate   Certificates & Forms 661.42 KB | PDF Download ↓
  • Retrofit Your Home with Greenfiber Insulation   Product Brochures 519.95 KB | PDF Download ↓
  • Greenfiber Insulation Guide - Planning & Instructions   Product Brochures 377.96 KB | PDF Download ↓
  • The Greenfiber Advantage in New Home Construction   Product Brochures 150.34 KB | PDF Download ↓
  • Fire Rated Material - FRM   Product Brochures 556.27 KB | PDF Download ↓
  • Mold & Moisture   Safety & Performance Documents 65.74 KB | PDF Download ↓
  • DIY Attic Installation Guide   Installation Guides 707.77 KB | PDF Download ↓
  • Homeowner FAQ   Product Brochures 389.6 KB | PDF Download ↓
  • Limited Lifetime Warranty   Certificates & Forms 151.57 KB | PDF Download ↓
  • DIY Sidewall Installation Guide   Installation Guides 54.71 KB | PDF Download ↓

Useful Tools

  • Project Checklist

    Not sure what else you need for your insulation project?

    Download PDF
  • Insulation Calculator

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

  • Find a Retailer

    Find Greenfiber at
 a retailer near you