Is Fiberglass Flammable or Fire Resistant?
Fiberglass is not flammable, as it was designed to be fire-resistant. However, that doesn't mean that fiberglass won't melt. Fiberglass is rated to withstand temperatures up to 1000 degrees Fahrenheit (540 Celsius) before it will melt. So, while fiberglass probably won't start a fire in your home, if the fire were to be hot enough, it ...