STI's Engineering Service Team, a subset of the Engineering Group, and the industry's best, is readily accessible to help you optimize productivity during design, construction, and post-construction. We offer engineered solutions to complex firestopping problems to help you ensure code compliance... ALL FREE OF CHARGE! STI is The Firestop Authority and has continued to drive innovation for over 25 years with a combined 250 years of experience in our Engineering Group alone.
Always There When You Need Us.
Monday Through Friday 7am - 7pm EST.
Saturday Emergency On-Call Hours for Contractors & Architects.