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Manchester, CT
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1794
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2020
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Commercial Mill
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Wood Window Replication
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25
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Mulled Double Hung Units
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The Cooper Group
Hilliard Mills
Cooper Historical Windows recently completed the manufacturing of 109 double units and 8 single replicated, historically accurate windows for Hilliard Mills Dye house, Building #4. This 6,630 square foot one story building was originally constructed in the mid-1800s. John Allen was granted land for the saw mill in 1672 making it the oldest woolen mill, and one of the oldest continuously occupied industrial sites in the US.
We used our proprietary reproduction 19th century glass in making energy efficient Insulated Glass (IG) units for this historical structure. These windows were approved by The State Historic Preservation Office, which granted the owner a 25% tax credit for meeting or exceeding their Historical guidelines.