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News Release: 5/6/2025

SEAL-TITE CELEBRATES 125 TH ANNIVERSARY WITH RIBBON CUTTING MAY 23, 2025 HILLSBORO, OH. In the spring of 1900, the Peck-Williamson Heating Co. commissioned its sheet metal shop in downtown Cincinnati and the Seal-Tite brand of galvanized ductwork was born. Galvanized sheet metal duct, pipe & fittings were needed to distribute air from central furnace systems to every room in the house. Peck – Williamson (later known as The Williamson Furnace Co.) was one of the first manufacturers of central