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Providing Quality Products & Service For Over 70 Years!

Koch Aluminum was established by Gene Koch in 1952, specializing in windows and doors. A lot has changed over the years, but our commitment to providing quality products & service to our customers remains constant.


Founder Gene Koch

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Our Original Camp Street Location

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Owners Randy Koch & Daughter Jill Hartley

Today, our third generation family-owned business continues to specialize in windows, doors, and so much more!

 We sell & install a variety of building products to meet your residential and commercial needs. Special pricing is available for contractors & DIY customers. Call us or stop into our showroom today for more information!


1615 East Perkins Avenue 

 Sandusky, OH, USA

(419) 625-5956

Business Hours

Monday-Friday 7:30am-4:00pm

Closed Saturday & Sunday

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