IPHA, the International Prestressed Hollowcore Association, is dedicated to promoting the sale and application of Prestressed Hollowcore Flooring as a worldwide construction product. In co-operation with CPI, IPHA provides its member companies with the opportunity to publish articles on their activities. Further information on IPHA and its member companies is available at www.hollowcore.org. In this issue, IPHA is pleased to present an article about its own activities in recent years.