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.
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Associate Members
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Years of Hollowcore Experience
Latest News
Registration Open for IPHA Technical Seminar 2025
We are pleased to announce that registration is now open for the next IPHA Technical Seminar. The event will be held on October 23-24, 2025, in Kraków, Poland, with the theme: ‘‘HOLCOLODIS - Load distribution in hollowcore floors" IPHA hereby invites...
IPHA Hours at Bauma 2025
Held every 3 years in Munich, Germany — Bauma is the world’s largest construction industry trade fair. There is simply no other event bringing together this many people from across our industry, and it is well-known for its hospitality and lively atmosphere. We're...
IPHA Annual Conference 2025 – Registration Open
The 29th IPHA Annual Conference will be held in Warsaw, Poland from 22nd - 25th May, 2025. This year marks a special occasion as it is the first time IPHA's Annual Conference will be held in Poland. We are fortunate to have Poland’s largest precast and hollowcore...
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.