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Chelsea Building Products: A Profile In Manufacturing Innovation

As the Poly-Tex Company in 1975, the company’s first window extrusion operation began in Pittsburgh, Pennsylvania. In that year, Chelsea made history, as the manufacturer of extruded profiles used in the first all-vinyl, double-hung tilt replacement window system ever available to the U.S. market. 

By 1980, the company had grown to house five extruders, and moved once again to larger quarters; and by 1985, the company had grown to 15 extrusion machines—requiring the move to its present location in Oakmont, an eastern suburb of Pittsburgh.  

In 1989, the company had grown to more than 24 extrusion lines and officially became Chelsea Building Products—a full-scale extrusion manufacturing operation that runs 24 hours a day, seven days a week and produces millions upon millions of lineal extrusions per year.

Chelsea Building Products Firsts:

  • The first U.S. extruder to offer vinyl windows in a variety of colors, giving designers and contractors more choices to offer homebuyers. 
  • The first extruder to offer a warranty on its products to the end user.
  • Manufactured the extruded profiles used in the first all-vinyl, double-hung tilt window system ever available in the U.S. 

Chelsea has added to its Oakmont facility several times, and has grown to design and extrude profiles that are used in many different window and door systems as well as mouldings, shutters, exterior cladding and many other building products.