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Roll-on Green Steel: The revolution in eco-friendly metal roofing in Brazil

10 June 2024 to 10: 21
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Logistics warehouse in Rio
Photo: Adriana Estephany

Roll-on Green Steel metal roof with low CO2 emission steel. New warehouse in Baixada Fluminense will be the first in Brazil with this technology.

Roll-on Green Steel metal roof with low CO2 emission steel. New warehouse in Baixada Fluminense will be the first in Brazil with this technology. #ESG #sustainability #construction. Metal Roofing with carbon reduction Logistics warehouse in Rio will be the first in the country to feature an exclusive metal roof system with reduced CO2 emissions at source * The global trend towards a more responsible environmental agenda has mobilized all segments of the economy. ESG criteria, which encompasses the concept, are already a reality and a path of no return.

With increasing concern for the environment, the use of metal covering , metal ceiling e metal roof has stood out as a sustainable and modern option for civil construction. Furthermore, installing a metal roofing system it can significantly contribute to the reduction of CO2 emissions, having a positive impact on the environment and society as a whole. It is important to highlight the importance of investing in technologies that promote sustainability and sustainable development, aiming for a more balanced and conscious future.

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Marko metallic systems produces logistics warehouse with sustainable metal roof

In this context, Marko Sistemas Metálicos, exclusive manufacturer of roofing system Roll-on, a patented product in more than 20 countries, is engaged and begins producing the material to begin, in the second half of the year, work on the first logistics warehouse in Brazil with a Roll-on Green Steel roof using steel with reduced CO2 emissions, innovative product that contributes to a greener and sustainable future. The warehouse, which will be built on Rodovia Presidente Dutra at São João de Meriti, Baixada Fluminense do Rio, will receive the certificate of green steel XCarb™ from ArcelorMittal, the country's largest steel producer and leader in the world market.

Commitment to the environmental agenda and ESG criteria

The certificate is part of the XCarb ® Program and represents the path towards decarbonisation of the steel production process and the goal of zero emissions by 2050. According to Marko's Operations Director, Christophe Schwarzberg, the so-called Green Steel, with reduced carbon emissions, should soon be consolidated in Europe and the other countries will follow on this agenda, what is already happening in Brazil. For him, within this awareness of sustainability, customers will aim to offset carbon emissions in the construction process of their projects and Marko is ready to serve them.

Metal Roofing Innovations for Sustainability

Our coverage is already designed to enable energy savings, which water reuse, application of painéis solares on the roof, various thermal and acoustic comfort solutions, and now, with steel with reduced carbon emissions, it is definitively consolidated as a solution aligned with environmental protection', says Christophe. According to him, the company added this concept to its coverage system in a move to bring increasingly sustainable resources to logistics condominiums, meeting not only customer demand, but also increasingly aligning itself with the ESG agenda.

Expansion and growth of metallic structures in Brazil

He highlights that the Roll-on roof, in essence, already has the DNA of sustainability as it is an industrial metal structure, 100% made from galvanized steel without welding, overlapping, without the need for painting or other environmentally aggressive processes. 'We are proud to have an exclusive product in the world, with technology developed by the company and fully aligned with sustainability. Our system provides a clean work, allows water to flow to the end of the building, facilitating the training of rainwater for reuse and eliminating the need to use a drainage network inside; allows natural ventilation and thermo-acoustic insulation, reducing energy consumption; and, also, there is the possibility of recycling leftover steel, as it has high added value and can be melted to make other parts', he details, also highlighting that Marko is currently considering resuming its affiliation with GBC – Green Building Council – organization whose mission is to develop sustainable construction industry in the country. IBGE data reveal that metal structure production in 2021 reached 1,67 million tons.

Impact of Roll-on Green Steel on the Market

Survey by ABCEM – Brazilian Association of Metallic Construction, shows that, since 2019, the industry growth has been reaching 21% per year. Christophe complements the numbers, highlighting that Marko has reached the mark of 20 million m² of metal roofing installed in recent years, recording an annual average of over 1 million m² of Roll-on roofing executed. According to him, during the pandemic he saw demand grow significantly. 'This is explained by the overwhelming advancement of e-commerce', he says, announcing that the company is in the process of expanding not only in the national territory, but also advancing throughout Latin America and the USA.

Marko Sistemas Metálicos Expansion Plans

Marko, which has among its clients large retail chains, industries and large logistics developers, such as Prologis, GLP, Brookfield, Gtis, BRProperties, Bresco, Hines, among others, plans to invest, in 2024/2025, R$ 20 million in construction of a new manufacturing unit in Pernambuco, in addition to evaluating the implementation of another factory, this time on American soil. The company's estimate, whose revenue is around R$400 million per year, is to close the year with revenue 30% higher than last year.

Advantages of the Roll-on System and the XCarb Certificate

A genuinely Brazilian system, the Roll-on allows a large internal area free of columns for better use of space, with large distances between spans, as the pillars and beams are thinner than their concrete equivalents, i.e., the internal area increases and so does the distance between the pillars. With it, there is rationalization of material and labor, as the industrialized system avoids waste and requires fewer workers. It also has renovation flexibility, as it makes it possible to incorporate new metallic elements to meet the needs of new projects. With the advantage of mounting the cover completely on the ground, it brings safety to the service, as it reduces work at height by more than 90%. It is a product with ready delivery and quick assembly, which is why it accelerates the physical-financial schedule of the work and becomes more attractive for large projects that need to comply with a tighter schedule depending on all parts of the project.

XCarb© is a global ArcelorMittal program, launched in 2021, which aims to bring together all the Group's efforts and investments with the mission of reducing and neutralizing greenhouse gas emissions in the steel chain. One of the program's initiatives is the green steel certificate. These certificates are issued by ArcelorMittal based on CO2 savings, guaranteed by DNV, an independent body that certifies the reliability of the process. When purchasing a product with this certificate, the carbon savings achieved by ArcelorMittal in the process are also transferred to the purchasing company.

Source: © Adriana Estephany

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