NOW WELLNESS CAN
START IN YOUR WALLS

Name: Greenfiber
Address: 5500 77 Center Drive Suite 100, Charlotte, NC, 28217, US
Telephone: 1-704-379-0640

Installed in attics, walls, floors and ceilings, Sanctuary^® by Greenfiber^® can bring peace, quiet and comfort to your home.

Sanctuary by Greenfiber outperforms other types of insulation in one critical way after another. Plus, it offers advantages you’ve probably never thought about.

Calculate Your Energy Savings

Use our calculator to discover how much you can save every year by increasing your insulation performance with Greenfiber®. When you choose our environmentally friendly insulation, you’re lowering your energy bill and your carbon footprint.
- See How Much You'll Save

Our Certifications

EASY TO BUY, EASY TO INSTALL

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The latest from Greenfiber

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11.20.23 Test Blog Post With Nice Long Title Because it looks way better spilt on multiple lines
This is Sam's cool test blog post, intended to showcase all the cool new features of the revamped Blog design!
11.01.23 Understanding Insulation Tax Incentives: A Homeowner’s Guide
Upgrading your home insulation in 2023 or considering it for the future? Discover the insulation tax incentives available to you now and in the years to come.
08.01.23 Soundproofing Attics, Walls & Ceilings with Cellulose Insulation
With the right insulation material, you can significantly reduce the level of noise that travels through walls, attics and ceilings.
08.01.23 5 Things to Consider When Updating Your Home Insulation
Five thought-starters to get you on the path to updating your home insulation with a SANCTUARY® Trusted Installer.
News / 05.12.23 Ball State University Wins 2023 Solar Decathlon Using Greenfiber Insulation
Adding cellulose insulation to the design plans of this Indianapolis net-zero home helped score a victory for students competing in Solar Decathlon 2023.
Installation / 04.26.23 Can you blow cellulose insulation over existing fiberglass?
Learn how to install cellulose over existing fiberglass insulation.
Sustainability / 04.20.23 How does cellulose insulation affect the environment?
Explore five qualities that make cellulose the most environmentally friendly insulation material on the market.
Installation / 02.23.23 Debunking 6 Common Myths About Cellulose Insulation
Get the truth on these top misconceptions about cellulose insulation.
Projects / 02.15.23 Carbon Impact of Insulation: Putting Cellulose to the Test
A Builders for Climate Action study finds cellulose assemblies have up to a 200% reduction in carbon footprint and carbon storing capabilities.
News / 02.06.23 Applegate-Greenfiber Announces New Branding
Applegate-Greenfiber Is Now Greenfiber®
News / 01.09.23 APPLEGATE • GREENFIBER EXPANDS IN THE SOUTHWEST
Applegate • Greenfiber Purchases United Fibers Cellulose in Arizona
Installation / 01.09.23 Your guide to installing cellulose insulation for sidewall retrofit applications
Sidewall cavities are the second-biggest area of heat escape. Use this step-by-step guide for proper installation of sidewall applications.
Projects, Sustainability / 12.15.22 Using Cellulose for a Net-Zero Accessory Dwelling Unit
Discover how cellulose insulation made this Hyattsville, Maryland, in-law suite more sustainable.
Wellness / 08.19.22 How Cellulose Insulation Restores Wellness in Your Home
Get a side-by-side comparison of different insulation materials and find out how cellulose comes out on top by boosting comfort and reducing noise.
Projects, Sustainability / 06.14.22 Embodied Carbon and the Built Environment: Get the Facts
Cellulose is the only major insulation material that reduces global warming potential.
Sound Control / 06.07.22 Soundproof Your SANCTUARY Home
Reduce the impact of noise and discover how a home with Greenfiber® insulation can help you enjoy peace of mind.
Wellness / 01.12.22 Dial Up Comfort with a Well-Insulated Home
Your home should be your SANCTUARY. Make it as comfortable, quiet, and efficient as possible by adding insulation to build up its thermal envelope.
News / 01.03.22 Two Industry Leaders Join Forces
We are excited to announce that Applegate and Greenfiber, in conjunction with Industrial Opportunity Partners, have joined forces as APPLEGATE • GREENFIBER.
News, Wellness / 06.01.20 No Place Like Home
Sanctuary® by Greenfiber brings more peace, quiet and comfort to homes.
Installation / 08.30.17 Comparing your options for home insulation: fiberglass vs. cellulose
Fiberglass and cellulose are two of the most common insulation materials, but which option is best for your home?
Sustainability / 08.29.17 What makes cellulose a sustainable option?
Cellulose insulation is a feel-good home improvement project that's safe, smart AND sustainable.
News, Sustainability / 06.28.17 In on the ground floor of sustainable architecture.
You may not know it, but Greenfiber insulation is made of up to 85 percent recycled material.
Installation / 05.26.17 Water, water everywhere. Not.
A lot of remodel and repair professionals tell us they like to work with cellulose insulation because it’s safer to install.
Installation / 05.19.17 So what’s R-value anyway?
We get that a lot. What it means is “Resistance-value,” and the number after the R tells how well a material keeps heat from flowing through it.
Installation / 05.12.17 Don’t sweat your energy costs this summer.
While many people think about insulating for the winter, somehow they forget its importance for the summer.
Installation / 04.27.17 Why Choose Cellulose Insulation For New Home Construction?
The thermal performance, sound control and fire resistance that cellulose insulation like Greenfiber provides help builders create quality.
Installation / 04.20.17 DIY Attic Insulation Made Easy
You can install Greenfiber yourself by following a few easy steps.
Installation / 04.13.17 10 Things You Didn’t Know About Cellulose Insulation
Here’s the bottom line: cellulose insulation outperforms other insulations, keeping homes cooler in the summer and warmer in the winter.

NOW WELLNESS CAN
START IN YOUR WALLS

Sanctuary by Greenfiber outperforms other types of insulation in one critical way after another. Plus, it offers advantages you’ve probably never thought about.

Calculate Your Energy Savings

Our Certifications

EASY TO BUY, EASY TO INSTALL

SANCTUARY®Blow-In or
Spray-Applied Insulation

Blowing Machine with Hose

Find your closest retailer

The latest from Greenfiber

NOW WELLNESS CAN START IN YOUR WALLS

Sanctuary by Greenfiber outperforms other types of insulation in one critical way after another. Plus, it offers advantages you’ve probably never thought about.

Calculate Your Energy Savings

Our Certifications

EASY TO BUY, EASY TO INSTALL

SANCTUARY® Blow-In or Spray-Applied Insulation

Blowing Machine with Hose

Find your closest retailer

The latest from Greenfiber

NOW WELLNESS CAN
START IN YOUR WALLS

SANCTUARY®Blow-In or
Spray-Applied Insulation