STI Firestop is the leader in developing innovative fire protection systems that help stop the spread of fire, smoke, and toxic fumes. It’s focused on creating simple, cost-effective firestop solutions to address complex problems through on-site consultations, visual assessments, specification, design, and project plan review, and Firestop Instructional Training (a manufacturer certification program).

The Engineering Group at STI Firestop has over 250 years of combined engineering experiences and provide 24-hour engineering judgement turnaround time. Its Technical Service Team, a subset of the Engineering Team, is available Monday through Friday – 7:00am to 7:00pm (EST). STI Firestop also has Saturday emergency on-call hours for contractors and architects.

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