This letter is to certify that Eastern Contractor Services – Flanders and Tuckerton NJ is recognized as a Specified Technologies Inc. [STI Firestop] trained contractor. Eastern has undergone our Firestop 101 Training and has been advised in the proper use and selection of products and systems. Additionally, Eastern has performedFirestopping applications for over 5 years in the New Jersey, New York and Pennsylvania markets. Specified Technologies Inc. [STI Firestop] is a manufacturer ofFirestopping Products located in Somerville, NJ.

Issued by: Mark Izsa Specified Technologies, Inc

Territory Manager – NJ / NY

Phone: 973-271-8894

E-mail: mizsa@stifirestop.com

Web: www.stifirestop.com

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