Specified Technologies Inc. (STI) is the leader in innovative firestopping products. STI is deeply familiar with the needs of Graybar’s customers and continues to provide firestopping solutions that are engineered to deliver superior performance and value. STI provides many brands of quality firestopping products such as EZ-Path^® Fire-Rated Pathways and SpecSeal^® caulks, sealants. putty, putty pads and electrical box inserts. STI provides the highest quality, fully tested, innovative firestopping products to help Graybar customers solve their unique construction applications.