The partition walls EXCEL of a smoking room is an effective system of partition walls of aluminium profiles, euro-panels and glass, which offers custom-made glass, gypsum and combined modules and doors. Requirements for separate smoking rooms and areas:Smoking rooms shall be negatively pressurised. The air outflow in a room shall be at least 8,4 l/s per m2. If a room is not used, the air outflow may be reduced to 25% of the normal air renewal. The air outflow ventilation system of a smoking room shall be separate and continuous or connected to other continuously operating airflow systems by a separate duct. Smoking areas may be separated in indoor premises, which have ventilation systems. The ventilation system of an area shall ensure the flow of air from the non-smoking area to the smoking area and from there directly to the outside environment. (Tobacco Act - 19.06.2000)Supervision and liability: police officers, officials of the health care authority and the Labour Inspectorate exercise supervision over compliance with the restrictions on smoking and the requirements for smoking rooms and areas. (Tobacco Act - 19.06.2000)