Natural Roof Ventilator provides both for day to day and smoke ventilation. It allows extract ventilation for most kinds of industrial buildings and is usually installed on the roof. Polycarbonate versions allow the entry of natural daylight. The Natural Roof Ventilator is highly insulated and air tight, meeting or exceeding today’s energy savings regulations. Clients, architects, engineers and builders are all looking towards energy efficient and sustainable future, and Devi Enterprises Natural Roof Ventilators are the ideal solution, particularly in the area of warehouse ventilation.