The GREFET CSP100 Series is a premium collection of aluminium door and window systems crafted for bold architectural expression and elevated everyday comfort. Designed with precision engineering and contemporary aesthetics, the series combines tall openable doors, intelligent ventilation solutions and advanced hardware technologies into one refined system. From turn and tilt windows that enable controlled ventilation during monsoons to full opening access for maximum airflow and effortless cleaning, every element is built for practicality and performance. The premium pivot system features surface mounted hinges with custom designed skirts for a clean, seamless appearance, while fanlight solutions provide convenient ventilation for high and hard to reach spaces. Supporting glazing up to 32mm, the CP100 Series delivers exceptional durability, smooth functionality, enhanced insulation and sophisticated modern design for luxury residential and commercial spaces.