STI leads the industry in developing innovative fire protection systems that help stop the spread of fire, smoke and hot gases. STI Firestop’s SpecSeal® and EZ-Path® 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.