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423 Central Avenue, Peekskill, NY
  • 423 Central Avenue, Peekskill, NY #1

Seekircher Steel Window
423 Central Avenue
Peekskill, NY 10566

Fax: 914-734-8009
[email protected]

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Since 1977, John Seekircher and his team at Seekircher Steel Window have repaired and restored thousands of steel casement windows in over thirty-five states across the country, preserving the architectural integrity of countless homes and national treasures.We are proud of our craftsmanship, professionalism, and our personal attention to each of our customers, whether restoring windows at a national treasure like Frank Lloyd Wright’s Fallingwater or rebuilding casement windows in a New York City apartment. 

We repair and restore thousands of steel windows each year and are passionate about our role in preserving historical architecture around the country.

In a society where thousands of historic structures are demolished each year and the public is programmed to think new is always better, I invite you to explore our site and consider your options carefully when making decisions about your historic building.

As Richard Moe, former President of The National Trust for Historic Preservation, once said, “we can’t build our way out of the global warming crisis. We have to conserve our way out. That means we have to make better, wiser use of what we have already built.”

At Seekircher Steel Window, we offer many services including:


Seekircher Steel Window works on all manufacturers of steel casement windows found in residential, historical, and commercial buildings. By realigning the operable sash to open and close properly, we ensure the window is closing to maximum tightness, thereby reducing stress on all parts and increasing energy efficiency. In cases where the steel or hinges are deteriorated, we match the profile and weld new pieces in. Missing or broken hardware can often be matched from our collection of vintage locking handles, slide arm assemblies, push bars, finger lifts and crank operators.


Seekircher Steel Window restores and refurbishes hundreds of windows a year both on-site and at our shop, in Peekskill, New York. We start by removing the hardware and stripping the sash and frames of all paint, putty glazing, and glass. In cases where the original single pane or leaded glass is of particular historic or aesthetic value, we can remove the glass or work around it. The window mechanics are assessed to ensure each window opens and closes properly, and any necessary steel work is done. After we prime the windows with an industrial strength primer, glass is installed and putty glazed by hand. Brass and bronze hardware is cleaned and polished, while steel hardware is typically painted or lacquered. To complete the restoration, each window is given two finish coats with a color of your choice.


In addition to repairing and restoring steel casement windows and doors, Seekircher Steel Window has a large collection of vintage casements and French doors at our warehouse in Peekskill, New York. Our vintage windows have been used in homes across the country, often to match existing windows in home renovations and additions. An increasing number of homeowners have been contacting us to replace failing “replacement” windows with vintage windows that match what was original to their home. In addition, our windows have been used in new construction when the unique design of vintage steel casement windows is called for.

Please don’t hesitate to give us a call or send us an email if we can be of service to you.


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