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Since the very beginning, ArcelorMittal has been involved in multi-storey car park design and therefore offers a unique range of products, solutions, and expertise:
- High-strength steel sections and plates for built-up welded sections in order to enable long spans and slim construction.
- Composite flooring products, such as Cofraplus®220, optimising car park design and with a quick erection process.
- Full range of metallic and organic coated steel products for open facades and roofing.
- Processing capabilities to deliver "ready to erect" beams and columns to contractors.
- Unique fire engineering and design support for designers and contractors placing software design tools at their disposal.
ArcelorMittal’s multi-storey car park solutions have proven to be a secure and reliable solution for parking and ensuring people’s safety. In addition, they grant investors the opportunity to propose innovative services.
Our solutions are also recognised as "light and fast," striving to reduce the environmental impacts of construction projects and are potentially dismountable at the end of construction life.
As a result of our partnership with car park designers and contractors, we continuously enhance our knowledge and product range capabilities.
Details
Multi-storey car parks
Through research expertise and design knowledge for multi-storey car parks, ArcelorMittal Europe has developed an extensive range of products and solutions to meet very specific performance requirements.
Solutions by
ApplicationSolutions by
Performance
50 years ago, multi-storey car park construction was almost non-existent in Europe. In fact, it solely accompanied the development of transport infrastructure such as airports, railway stations, and a new generation of shopping malls and commercial centres.
Contact: Structural sections
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Contact: Composite floors
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Contact: Flat steel products
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Related news and technical articles
New SiCA lectures: Composite columns
14 February 2023The newest SiCA: Steel in Construction Academy lectures – Composite columns: parts 1 and 2 – are available now!These two lectures introduce composite columns, describe their behaviour, and explain the design methods for axially loaded composite columns and uniaxial and biaxial bending.Topics covered include: types of cross-sections for composite columns material grades and material safety local buckling failure analysis for bending moments influence of shear forces
Website newsNew SiCA lectures: Composite beams - Shear connection
14 December 2022The newest SiCA: Steel in Construction Academy lectures – Composite beams: Shear connection I, II, and III – are available now!These three new lectures cover topics such as: the types and behaviour of shear connectors load transfer the behaviour of partial shear connection in composite beams practical methods used for design at the ultimate and serviceability limit states the design of shear connection in continuous composite beams hogging moment regions
Website newsTaking car parks to the next level with Magnelis®
27 October 2020Demand for convenient car parking is rising dramatically. However, the land available for parking is severely limited in many locations. This is making multi-storey car parks a very attractive option in city centres, near transport hubs, and at public buildings such as hospitals. To meet this demand in a cost-effective way, Kingspan, a leading building materials company, has developed a complete portfolio of solutions for car park builders. A key element is Magnelis® from ArcelorMittal Europe – Flat Products which Kingspan uses to form the deck of each level in the car park. As well as cost-effective forming and quick assembly, Magnelis® offers long-term protection against corrosion to ensure the safety and viability of parking structures.
Product news
New SiCA lectures: Composite columns
Published: 14 February 2023

The newest SiCA: Steel in Construction Academy lectures – Composite columns: parts 1 and 2 – are available now!
These two lectures introduce composite columns, describe their behaviour, and explain the design methods for axially loaded composite columns and uniaxial and biaxial bending.
Topics covered include:
- types of cross-sections for composite columns
- material grades and material safety
- local buckling failure
- analysis for bending moments
- influence of shear forces
Text:
Constructalia
Image:
© ArcelorMittal
Related link(s)
New SiCA lectures: Composite beams - Shear connection
Published: 14 December 2022

The newest SiCA: Steel in Construction Academy lectures – Composite beams: Shear connection I, II, and III – are available now!
These three new lectures cover topics such as:
- the types and behaviour of shear connectors
- load transfer
- the behaviour of partial shear connection in composite beams
- practical methods used for design at the ultimate and serviceability limit states
- the design of shear connection in continuous composite beams
- hogging moment regions
Text:
Constructalia
Image:
© ArcelorMittal
Related link(s)
Taking car parks to the next level with Magnelis®

Demand for convenient car parking is rising dramatically. However, the land available for parking is severely limited in many locations. This is making multi-storey car parks a very attractive option in city centres, near transport hubs, and at public buildings such as hospitals. To meet this demand in a cost-effective way, Kingspan, a leading building materials company, has developed a complete portfolio of solutions for car park builders. A key element is Magnelis® from ArcelorMittal Europe – Flat Products which Kingspan uses to form the deck of each level in the car park. As well as cost-effective forming and quick assembly, Magnelis® offers long-term protection against corrosion to ensure the safety and viability of parking structures.
The challenges of multi-storey car parks
Multi-storey car parks offer unique challenges for their owners. As well as providing safe and welcoming spaces for potential customers, they must withstand weathering from the elements – and the effect of de-icing salts and other chemicals which are tracked into the structure. Floors are particularly vulnerable due to the high level of moisture which enters the structure through its open sides or via rain and snow on vehicles. Moisture in the atmosphere typically condenses on the underside of the floor, making this part of the structure particularly susceptible to corrosion.
A complex product requires Magnelis®
To address these concerns, Kingspan has developed a multideck floor system based on Magnelis®. The system is quick to produce, lighter than alternative solutions, and simple to assemble on-site. “We create the deck panels by roll-forming the steel in our factory,” explains Phil Smith, Kingspan’s Managing Director for the UK and Ireland. “It is a complex product – the deck panels need to include cut-outs to ensure the concrete adheres to the steel. But Magnelis® is easy to form.”
In the final step, the ends of the Magnelis® deck panels are engineered to ensure that the concrete does not slip off as Phil Smith says: “The process involves crushing the ends of the panels slightly so that the concrete has a rough surface to adhere to. This is done about two to three weeks before the panels are installed.”
Once the steel decking panels are manufactured, they are transported to site and lifted into place. Concrete is then poured over the steel to form the deck. “In the past we have used pre-cast concrete slabs to form the deck, but this is costly,” notes Phil Smith. “Another option is to use pre-coated or galvanised steel, but the coatings on these materials are often damaged in handling, transport, and on-site. Magnelis® is the best and most cost-effective option as it does not damage easily during transport or handling on-site. And if it is damaged, the self-healing property of Magnelis® repairs any cuts or scratches that do occur.”
10-year guarantee a major advantage
A key advantage of Magnelis® for Kingspan is the guarantee ArcelorMittal can provide on request. Phil Smith explains: “By using Magnelis® we can offer a 10-year guarantee on our decks. That can be extended up to 20 years depending on the location of the car park and the thickness of the Magnelis® coating. Currently we use Magnelis® ZM310, but we are working with ArcelorMittal to test Magnelis® ZM430.”
Kingspan utilises ArcelorMittal’s technical support at all stages of the project. “We are quite often involved in projects where the environment is aggressive such as swimming pools, car parks, and installations which generate energy from waste,” says Phil Smith. “In these projects we involve ArcelorMittal during the design phase to ensure we are selecting the right materials. ArcelorMittal also organises R&D workshops to Kingspan to help us get the most from their offer.”
ArcelorMittal’s dedicated Client Technical Support (CTS) personnel also provide a direct link between the customer and the steelmaker. They connect the customer’s technical team to ArcelorMittal’s support and R&D teams to provide quick feedback and advice on technical questions.
Sustainability at every step
Kingspan offers a complete range of solutions for multi-storey car parks including the Magnelis® composite decks explains Phil Smith: “We also have barrier protection systems, perforated facades, and solar panels for the top floor so the car park can generate energy for lighting, ventilation, and electric vehicle charging points. Our goal is to create sustainable solutions at every stage. And steel is our material of choice to reach this goal.”
That commitment to sustainability has seen Kingspan switch both of its production centres in the UK to 100 percent renewable energy. Kingspan is also one of only 130 companies to make the CDP A-list (formerly the Carbon Disclosure Project), a position the company has held since 2016.
About Kingspan
Kingspan is a global leader in high-performance insulation and building envelopes. Originally founded in Ireland in 1965, Kingspan now operates in over 70 countries around the world and employs more than 14 000 people. The company manufactures a range of complementary building envelope solutions for both the new build and refurbishment markets.
More info: www.kingspan.com/gb
Text: ArcelorMittal Europe Communications
Images: Raised Floor Solutions