SMART-X® is the distinctive and unique lightweight foam board for sophisticated applications in the field of visual communication. SMART-X® is a lightweight, all-plastic sheet material with surfaces of UV and weather resistant solid polystyrene (HIPS) and a core of expanded polystyrene that is completely moisture-resistant. These characteristics make it the world's only lightweight foam board for external applications without any significant change in colour for a period of up to two years.