Retrofitting historical buildings is an increasingly popular practice, combining history with modern amenities and maintaining previous styles of architecture, which become unique once again.In 2006 the Porterdale textile mill and cotton warehouse were retrofitted and transformed into the Porterdale Mill Loft Development, a unique residential-retail mix development in the heart of Porterdale."There’s really not another product like it east of Atlanta," said Walter Davis, with the ownership group Davis Associates.The Mill Loft was designed to revitalize Porterdale’s downtown, and its