Fiberglass Is a Material Made from Filaments of Glass. the Tiny Glass Fibers Are Typically Woven into Fabric-Like Mat and Reinforced with a Resin. the Resulting Cloth Can Then Be Used in a Variety of Ways, Such as Insulating Walls and Pipes or Adding Impact Protection to Cars. Fiberglass May Also Be Mixed with Epoxy to Add Durability and Water Resistance to Boats, Canoes and Surfboards. Judy Echavez, a Public Affairs Specialist with the Consumer Product Safety Commission (Cpsc) Sums It up This Way: “Fiberglass Is a Textile Fiber Product That Can Be Used in a Variety of Products, Generally for Adding Strength, Fire Resistance or Other Performance Characteristics. ”

The Fiberglass Mattress Problem

Fiberglass Is Used in Mattresses for Its Fire-Retardant Properties. Because Glass Isn’t Combustible, Fiberglass Can Withstand High Temperatures and Reduce the Risk of a Mattress Igniting in a House Fire. and That’s Important Because Mattresses and Upholstered Furniture Are Naturally Extremely Flammable. According to Research from the National Fire Protection Association, Beds and Mattresses Are Only the Starting Point for House Fires Around 2% of the Time — but Beds and Mattresses Are the Second Leading Cause of Home Fire Fatalities.

Health Risks of Fiberglass Mattresses

“Fiberglass Can Irritate Your Skin, Eyes and Throat and Cause Symptoms Like Coughing and Itching When Released into the Air, ” Says Michelle Thompson, Md, a Functional Medicine Physician and Founder of Epoche Medical in Coral Springs, Fl.

How to Tell If Your Mattress Contains Fiberglass

To Find out the Answer, You’ll Need to Check the Tag on Your Mattress — You Know, the One with the Ominous Warning Not to Remove It “Under Penalty of Law. ” If You Read the Warning Closely, You’ll See That It’s Directed at the Mattress Retailer. You, as the Consumer, Are Allowed to Remove the Tag. It’s There to Help Ensure You’re Buying a Brand-New Mattress and That You Know Exactly What’s Inside It.

How to Protect Yourself from Fiberglass in Mattresses

If You Discover That Your Mattress Contains Fiberglass, Should You Throw It out? Not Necessarily.

How to Safely Replace a Fiberglass Mattress

Once You’ve Concluded Your Mattress Needs Replacing, It’s Prudent to Be Careful So You Don’t Accidentally Breath in the Broken Fiberglass Fibers.

1. Wear Protective Gear

Kleinman Suggests Wearing Long Sleeves and a Face Mask to Reduce Your Risk of Skin Irritation or Inhalation.

“Use a Mattress Bag (Buy on Amazon, $12.58) or Patch the Damaged Area with Duct Tape to Limit How Much Fiberglass Is Released into the Air While You’re Moving It, ” Advises Dr. Thompson.

Once the Mattress Is Removed, Vacuum the Area, Then Use a Lint Roller to Pick up Any Particles That May Have Been Left Behind. (Click Through for More Tips on Cleaning Mattresses)

4 Mattresses Without Fiberglass

When Shopping for a New Mattress, It’s up to You to Decide Whether Fiberglass Is a Dealbreaker. but If You’re Worried About the Potential Risks of Fiberglass Exposure, These Highly Rated Fiberglass-Free Mattresses Will Help You Sleep Easy.

Fiberglass in Mattress Can Harm Your Health: Experts Explain

By Robert Thorne

• Oct 9, 2026 • 8 min read

Fiberglass in Mattress Can Harm Your Health: Experts Explain

Direct Answer • Key Takeaway

Fiberglass Is All Around Us: It’s in Our Cars, in Our Furniture, in Sports Equipment, Even in Our Walls. Most People Picture the Rolls of Cotton-Candy Insulation in the Walls of an Attic or Crawl Space When They Think About Fiberglass. but Fiberglass May Also Be Found in a More Surprising Spot in Your Home: Your Mattress. and If You’ve Ever Had a Hands-on Encounter with Fiberglass, You Know Its Tiny Fibers Can Irritate Your Skin, Nose, Eyes and Lungs. So Is It Safe to Spend Eight Hours a Night on a Fiberglass Mattress? Here’s What You Need to Know.

Robert Thorne

Automotive & Future Transportation Editor

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.

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