Autoclaved Aerated Concrete has been used in most European countries for more than 80 years as well as in the Far and Middle East for the past 40 years and in Australia and South America for over 20 years. Autoclaved Aerated Concrete has been manufactured and used in United States since 90's. Structures built over 75 years ago are still standing today and continue to perform well and require little maintenance.
Despite of Autoclaved Aerated Concrete being produced in Iran for past 20 years, demands for such products have not been great. This is partly due poor quality of the product produced that are not meeting the applicable standards. Additionally existence of abundant cheap energy had greatly influenced the lack of demand. However, with removal of subsidies and enforcement of building regulation the need for Autoclaved Aerated Concrete product has risen and encouraged by authorities throughout the country.