Clearlake Capital Group, an investment firm, agreed to acquire Springs Window Fashions, a global supplier of blinds, shades and specialty treatments, from AEA Investors and British Columbia Investment Management, the investment management firms. Financial terms were not disclosed. "Springs is an exciting addition to our portfolio given the compelling intersection among Clearlake's experience in specialty building products, consumer brands, technology solutions, and specialty manufacturing," José E. Feliciano, Clearlake Managing Director.