For over 30 years, our team has worked hand in hand with the construction industry to create simple solutions to complex firestopping problems.

STI product lines are engineered to deliver powerful performance. Because their system designs are user-driven, they are easier to apply. The result is simply designed, outstanding fire protection systems which often result in lower installed costs.

STI products and systems offer innovative firestop solutions for all types of new construction and retrofit applications. STI concentrates all of their resources on providing the highest quality, fully tested, innovative firestopping solutions.