National building code of Finland. Indoor climate and ventilation in buildings. Regulations and guidelines 1987

These regulations and guidelines constitute a part of the National Building Code of Finland as prescribed in resolution (867/75) by the Ministry of the Interior. These regulations and guidelines replace the regulations and guidelines on building ventilation (D2) given on the 27th day of October, 1978. The new regulations and guidelines shall come into effect on the 1st day of January, 1988, and they shall apply to all building for which permit has been applied on or after that date. Previous regulations and guidelines may, however, be applied to building for which permit is be applied before the 1st day of July, 1988.