As part of extensive renovations and adaptive reuse for Clocktower Place, Aeroseal replaced over 650 custom aluminum windows and paning. It helped to transform the former industrial site into a mixed-use development featuring residential apartments, office spaces, retail shops, and restaurants. Clocktower Place is a historic mill complex located in Nashua, New Hampshire. It was initially built in the mid-19th century as part of the Nashua Manufacturing Company, which was one of the largest cotton textile mills in the world at that time.