International Prestressed Hollowcore Association
WHY HOLLOWCORE?At the Heart of the Global Prestressed Hollowcore Industry Since 1969.
The International Prestressed Hollowcore Association is a truly diverse, global organisation. For nearly six decades, it has been instrumental in driving the industry forward.
Since its inception, IPHA has been integral in the design, development, production, marketing and sales of prestressed hollowcore as a building product.
Full Members
Associate Members
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Years of Hollowcore Experience
Latest News
25th BIBM Congress in Rome 2026
The 25th Congress of BIBM (Federation of the European Precast Concrete Industry) will take place from 20 to 22 May 2026 in Rome, Italy. The Congress is organized by BIBM and BCF – Building Congress Forum in cooperation with ASSOBETON as National Partner Association,...
IPHA Annual Conference 2026 – Registration Open
Welcome to the 30th Annual Conference in Rome in cooperation with the BIBM Congress 2026 and Assobeton, the Italian precast association. Welcome from IPHA's President This occasion is not only special for its important anniversary, which means a lot for those of us...
Season’s Greetings from IPHA
As 2025 draws to a close, it's time to reflect on the year. As a tradition and according to our rules, the first event this year was the Annual Conference in May. And for the first time, IPHA held the conference in Poland, more precisely in the capital, Warsaw. The...
We Strengthen the Competitive Position of Our Members
IPHA plays an active role in research and development within the hollowcore industry, leading projects such as HOLCOTORS, HOLCOFIRE and HOLCOLODIS.
We Bring the Prestressed Hollowcore Industry Together
Events such as our Annual Conference, Production, Technical and Sales & Marketing Seminars promote collaboration and the free exchange of knowledge between international members.
A World-Class Association with a Clear Vision for the Future
Discover how IPHA’s vision for the future will help to promote hollowcore as a sustainable building product and facilitate international collaboration between its members.
IPHA Knowledge Center
Members benefit from access to an archive of IPHA documents, including research projects, technical guidance, sales and marketing information, and presentations from previous conferences and seminars.