The Mattress Fiberglass Journal
Follow the evidence.
Clear analysis and practical context for the decisions that sit between a product label, a test standard, and a real home.
Latest analysis
Industry shifts, translated
Every post separates what a standard measures from what a consumer still needs to know.
Modacrylic · Interactive analysis
The “Stay-In-The-Mattress” Lie
A closer look at what a modeled chemical assessment can—and cannot—tell us about a mattress barrier in a lived-in home.
Industry analysis · Sep 2026
Passing the Test
What the mattress industry’s flammability playbook means for fiberglass, alternative barriers, and chemical safety.
A living research desk
Use the Journal alongside the Brand Checker, Evidence Locker, and guides. New analysis will be added as source material and regulations develop.
Topics: standards, barrier materials, state policy, consumer evidence