The Nissan project consists of 120,000 square feet of WALTEK’s 7000 Series (VSG) Unitized Curtainwall Systemwith integral, custom, six foot deep aluminum sunshades, aluminum composite and plate panel systems. WALTEK’s 7000 Series Unitized Curtainwall System is one of our most popular systems because of its versatility and efficiency. The system can easily accommodate concave and convex curves without complex mitered horizontals while allowing design features such as sunshades, light shelves, and custom trim options.