About Company

JAGulick Window Co. is a second-generation, family-owned Buffalo, NY workshop with more than 30 years of experience designing, manufacturing, and restoring high-quality custom wood windows and doors; the company, led by John Gulick and Chesley Devlin, combines modern technology with time-tested craftsmanship to produce replacement sashes, restored historic windows and doors, and custom joinery that preserve original aesthetics while improving longevity and performance, using specialty woods (including FSC-certified Eastern White Pine) and insulated or laminated glass options to deliver durable, historically sensitive solutions.

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