Our History

Since 1894, UL has been dedicated to researching the science of fire and certifying protection elements and systems that work to save lives and advance societal well-being. As leaders in developing safety standards and researching the science of fire, we are delighted to celebrate 125 years in pursuit of our mission:  working for a safer world. Below are a few historical fire safety milestones events we helped shape.

  • We developed the first fire tests and Standards that formed the basis of fire protection.
  • Our first fire protection Standard, UL 10A Fire Doors, was published in 1903.

 

Hose stream test (circa 1910)

Hose stream test (circa 1910)

Hose stream test (present day)

Hose stream test (present day)

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