SIMPLE FACTS

  • Firestopping systems carry a rating, products do not. 
  • Mineral wool or Fiberglass alone is not a firestop system.
  • Protect yourself against liability, use an approved firestop system.
  • Cement/Concrete is not firestopping mortar.
  • UL (Underwriter’s Laboratory) does not approve any systems. They are a testing facility, which lists the results of firestopping systems tested. 
Specified Technologies (All you need to know)
Visit www.stifirestop.com for a quick answer or comprehensive tour through the fast growing segment of the construction industry, Firestopping.