Karlatornet: A Symbol of Modernity for Scandinavia
Located in the former industrial area of Götaälven, the Karlatornet project is part of a vast urban regeneration plan that will give rise to Karlastaden—a mixed-use district with 143,000 square meters of buildings designated for housing, offices, shops, and public spaces.
Designed by the Danish firm Entasis in collaboration with Skidmore, Owings & Merrill, Karlatornet is set to become a benchmark of Nordic architecture. With its 611 apartments and impressive engineering structure, the tower surpasses Malmö’s Turning Torso, which previously held the record for the region’s tallest building at 190 meters.
But the real construction challenge of Karlatornet lies in its foundations: the structure is supported by 58 piles, each 2 meters in diameter and anchored up to 60 meters deep into the underlying bedrock, ensuring stability and safety.
Overmat’s Contribution: Advanced Technology for an Exceptional Project
Such an ambitious project required cutting-edge construction solutions, and Overmat, an internationally recognized leader in the production of screed machines, was called upon to contribute its innovative technology. Swedish client ISOBETONG used an Overmat self-leveling screed truck — model MSA 18.9 ALS in semi-trailer version — to produce lightweight subfloors for the residential complex. In particular, Overmat supplied around 450 cubic meters of pre-mixed subfloor material for the courtyard on the 11th floor of the skyscraper.
The courtyard on floor 11 (level +8 m) is part of the common base that connects the three community “towers”: one with 11 floors, one with 8, and one with a lower base.
The base, constructed of brick with large glass windows, evokes the area’s industrial past and serves as a hub for community life—ideal for outdoor spaces such as courtyards, plazas, or relaxation areas.
The MSA 18.9 ALS liquid screed machine was chosen for its precision and versatility, as it is specifically designed for laying anhydrite and cement-based self-leveling screeds with extremely high accuracy. Thanks to its cutting-edge technical features, the plant ensures flawless application, minimizes material waste, and delivers excellent results.
Features of the Overmat Plant
The Overmat MSA 18.9 ALS plant is among the most compact in its category, with an optimized design to ensure practicality and stability:
- Sand silo with flat bottoms that discharges directly onto the conveyor belt, optimizing space and ensuring continuous workflow.
- Low center of gravity thanks to a liftable pumping tank, which remains protected during transport and reduces the risk of instability.
- Fixed horizontal structure for safe and reliable operation on-site.
- Versatility and precision in delivering custom mix designs, supported by an advanced multilingual management software with touchscreen control panel.
Complete Mixing Control with Overmat Technology
One of the strengths of the Overmat plant is its computerized management system, allowing real-time control of every mixing phase. This advanced system enables:
- Extremely precise dosing of all components, from aggregates to binders, including liquid, gel, or powdered additives.
- Automatic water adjustment via sand moisture measurement probe, ensuring perfect product consistency.
- A constant and uniform material slump, ensuring maximum subfloor strength and workability.
- Thanks to these features, Overmat was able to guarantee an efficient and high-quality supply, contributing to a project of international significance like Karlatornet.
This level of automation and control places Overmat among the leaders in automatic mixers for screed, ensuring the highest quality standards even on complex projects like Karlatornet.
Innovation and Pride in Made in Italy
Being part of the Karlatornet construction represents a significant milestone for Overmat. This project not only demonstrates the reliability of Overmat’s systems but also confirms the company’s leadership in onsite mixing and pumping technologies.
The quality of Overmat’s products is the result of decades of experience and continuous innovation. The Italian company keeps developing increasingly advanced solutions to meet the demanding needs of construction sites of all sizes—combining reliability, efficiency, and state-of-the-art technology.
A Future of Success for Overmat
Overmat’s participation in the Swedish project is just one example of how the company continues to be a key player in the international construction sector. With its commitment to research and development, Overmat is ready to take on new challenges, providing ever more advanced and tailored solutions for the construction world.
The experience gained from large-scale projects like this allows Overmat to further refine its technologies, always aiming to offer clients top performance and reliability.
Karlatornet is more than just a skyscraper—it is a symbol of a new era of innovation and progress in the construction sector. Overmat is proud to have contributed to this achievement with its cutting-edge technologies, once again confirming the quality and excellence of Made in Italy.
The company will continue to play a leading role in ambitious projects, bringing innovation and reliability to construction sites around the world.
For Overmat, every new challenge is an opportunity to prove that Italian technology and quality can make a difference—even in the most complex and prestigious contexts.
If you want to learn more about how Overmat can support your construction projects with advanced technological solutions, contact us today!
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