At the heart of the global prestressed hollowcore industry since 1969.
The International Prestressed Hollowcore Association is a truly diverse, global organisation. For more than 50 years, 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.
Years of Hollowcore Experience
We Bring the Prestressed Hollowcore Industry Together
Promoting collaboration and the free exchange of knowledge.
We Strengthen the Competitive Position of Our Members
Playing an active role in research and development.
Organisation
IPHA is managed by an elected board of directors, and incorporates separate technical and marketing committees. The organisation’s objectives include; actively promoting prestressed hollowcore, best practice, and free exchange of information between members.
Members
Our diverse list of members comprises prestressed hollowcore manufacturers from numerous countries around the globe. Associate members include machinery and equipment manufacturers, material and chemical suppliers, and software developers.
Hollowcore
Prestressed hollowcore offers many advantages over alternative methods of flooring. An economical solution in a wide range of applications, hollowcore flooring enables flexibility in design, structural efficiency and swift erection of building projects.
News & Events
IPHA regularly holds a number of valuable events for its members, including an annual conference, plus dedicated technical and marketing seminars. Technical papers, articles and news from around the industry are all available via this website.
IPHA is a family. Learning from one another, staying at the forefront of prestressed hollowcore technology.
Members
Countries
What Our Proud Members Say…
IPHA is a result of the efforts of many busy people that have given, and continue to give, their time to the organisation. Through shared experiences, every member has the chance to benefit from others, and come away richer in their knowledge for it.
IPHA has been a formative part of the hollowcore industry over the years. It has pre-empted potential problems within the market and helped its members to address them, increasing confidence in hollowcore as a construction product.
International co-operation in the industry is important. Markets, regulations and applications differ from one country to the next. IPHA has been a good forum to discuss solutions, design practices and other topics, allowing members to learn from each other and improve their businesses.
IPHA’s Latest News & Events
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...
IPHA HOLCOLODIS – Project Update
IPHA HOLCOLODIS Study - Update Back in 2022, it was announced that IPHA would fund a new research study into load distribution between hollowcore slabs. Running until 2025, HOLCOLODIS includes a series of tests on hollowcore floors, backed up by literature, FEM...