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CONCRETE TECHNOLOGY66 CPI %u2013 Concrete Plant International %u2013 2 | 2026 www.cpi-worldwide.comThe second phase of the Modular Prefab Construction project incorporates Mapefibre ST 40 Plus macro-synthetic fibres into precast modular slabs made of concrete-and-timber to reinforce the concrete, while also enhancing its mechanical performance, sustainability and modularity. Using Mapefibre ST 40 Plus reduces the need for conventional reinforcement, promotes a circular economy and simplifies the precast production process. Presented at the fib 2025 symposium, the project provides an innovative solution for the future of construction.On 5 December 2024 Federated Innovation @MIND (a public-private ecosystem within the Milano Innovation District that brings together companies, researchers, and institutions to co-create innovative solutions) presented in Milan Modular Prefab Construction: a modular construction system developed by Lendlease and Wood Beton with the support of Mapei. It was a pilot project involving the use of concrete mixed with Mapei admixtures to create a slab incorporating a timber section produced by Woodbeton. This modular unit is earmarked for use in the floor-slabs of the Horizon skyscraper, currently under construction in Milan, in the area where Expo 2025 was held and which is now the location of MIND %u2013 Milan Innovation District %u2013 a state-of-the-art urban district due for completion by 2030, which will host scientific, healthcare and education centres, alongside a global innovation hub and the mixed-use West Gate quarter.From the outset, construction professionals have hailed Modular Prefab Construction as a major innovation, capable of delivering high standards of sustainability, reducing construction times and improving occupational safety. And Mind and Mapei were determined to keep moving forward. Since then, the research project has continued and involved the University of Brescia%u2019s Department of Civil Environmental Towards a more sustainable precast industry: Modular Prefab Construction at MIND with fibersMapei SpA, 20158 Milan, Italy Mapefibre ST 40 PLUS, combined with Mapei%u2019s contribution to a University of Brescia research project, has given rise to the second phase of the Federated Innovation @MIND pilot project, focusing on modular units made of precast fibre-reinforced concrete and timber.Mapefibre ST40 Plus fibers were added to both the concrete used for the connectors and the concrete mix used for the slab.