PARAMOUNT ACME DUPLEX™ CORPORATION

Acme Duplex™ is the authentic sash window balance. Invented and patented by our founder Aloysius F. Mantz in 1926, the Acme Duplex™ window balance continues to be the standard for double hung windows throughout the U.S... After the end of the war, the demand for machine gun balances ended. So, Acme Duplex focused on its primary business in the building industry. And, with the return of soldiers, the housing market took off. At the same time, large hardware stores, such as ACE Hardware and California Hardware developed. A distribution channel for building parts developed. So Acme Duplex hired salesmen to develop the business... Although it is possible to find knock-offs of the Acme Duplex sash balance, the quality and engineering has yet to be duplicated. Quality, wood double hung windows and sliders will continue to be best balanced with Acme Duplex. In 1932, Mantz literally changed the way we open windows, and Acme Duplex continues to be the supplier of choice for windows across the..

Also known as: ACME, Acme Duplex, Acme Duplex, Inc.