SAFETY WARNING: Never remove your mattress cover.

Comprehensive Guide

Glass Fibers vs. Fiberglass in Mattresses

Clarifying the difference, their uses, safety concerns, and chemical composition.

Is There a Difference?

Essentially, "glass fibers" and "fiberglass" refer to the same material. The terms are often used interchangeably, though "fiberglass" is more common in the United States.

Fiberglass is a composite material made of extremely fine fibers of glass. These fibers can be arranged in various ways: flattened into a sheet, randomly arranged, or woven into a fabric.

"The term 'fiberglass' sometimes refers to glass-reinforced plastic, where glass fibers strengthen a plastic material. This is often the case in mattresses, where fiberglass is used within a fabric layer."

Make Informed Choices

Weigh the benefits of fiberglass as a fire retardant against potential health risks. Consider mattresses using alternative fire retardants like wool.

How to Check Your Mattress