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Gerkin Windows & Doors

PO Box 3203
Sioux City, IA 51102
Phone: 402-494-6000
Fax: 402-494-6765

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From our beginning in 1932, our primary focus has been to manufacture energy saving window and door products. Throughout our history we have established ourselves as an innovator in the design and manufacturing capability of insulated windows and doors. Product testing and designing is an ongoing process which has allowed our products to evolve as market and consumer needs change. In our early days we manufactured storm doors and storm windows. As our experience and expertise grew, prime window products were created setting new high quality standards for the aluminum residential-light commercial windows in their category.