Our translucent daylighting solutions are customized to meet your lighting goals and create healthy, balanced, glare-free daylit environments. Energy efficient Kalwall panels offer the best-in-industry thermal performance & solar heat gain control, and are rugged, standing up to the extreme: wind, fire, impact, vandalism. Kalwall panels have an outstanding load capacity and structural integrity that polycarbonate systems and insulated glass units (IGUs) simply cannot match. Made in the USA.