The 2014 Annual Conference of IPHA took place in Istanbul, Turkey from May 21 to 23. IPHA is the International Prestressed Hollowcore Association and is an Association dedicated to this special field of precast prestressed floors and walls. Its history goes back over 40 years and brings together a wealth of experience in the design, development, production and marketing of hollowcore constructions. It justifiably deserves its reputation as a centre of excellence for anyone involved in the industry and for designers of all disciplines. Membership of IPHA is open to manufacturers of hollowcore and also suppliers of equipment, principal material suppliers, specialised software designers and other relevant service providers. The current membership comprises 66 companies from 28 different countries from across the globe.