Purlins and Side Rails Market Report 2025

The purlins and side rails market size has grown strongly in recent years. It will grow from $4.15 billion in 2024 to $4.45 billion in 2025 at a compound annual growth rate (CAGR) of 7%. The growth during the historic period can be attributed to the increasing adoption of lightweight structural components, expansion of industrial and commercial infrastructure projects, growing preference for cost-effective framing solutions, rising use in pre-engineered buildings, and heightened demand for corrosion-resistant materials.

The purlins and side rails market size is expected to see strong growth in the next few years. It will grow to $5.76 billion in 2029 at a compound annual growth rate (CAGR) of 6.7%. The projected growth in the forecast period is driven by the rising adoption of green building standards, increased demand for energy-efficient building solutions, growth in urbanization and smart city initiatives, greater use of prefabricated construction methods, and expanding infrastructure development in emerging economies. Key trends anticipated in the forecast period include advancements in high-strength lightweight materials, innovations in corrosion-resistant coatings, integration of digital design and fabrication tools, progress in roll-forming technology, and innovations in modular construction systems.

The increasing trend of home renovations is expected to drive the growth of the purlins and side rails market in the near future. Home renovation involves upgrading, updating, or restoring a residential property to improve its functionality, aesthetics, and overall value. This surge in home renovations is largely due to the aging housing stock, with many older homes requiring repairs, energy improvements, and modern layouts. As a result, homeowners are opting to renovate rather than rebuild or move. Purlins and side rails play a key role in these renovations by offering strong, lightweight structural framing for roofs and walls. They contribute to quicker installation and greater durability, making them ideal for contemporary extensions and retrofits. For example, in June 2024, Statistics Finland reported that dwelling owners in Finland spent €5.2 billion ($5.63 billion) on home renovations in 2023, a 2.7% increase from the previous year. This growing trend in home renovations is fueling the expansion of the purlins and side rails market.

Companies in the purlins and side rails market are developing innovative products such as structural steel purlins to improve strength, speed up installation, and meet modern construction requirements. Structural steel purlins, which are horizontal steel sections used in building frameworks to support roof and wall sheeting, offer superior strength, durability, and resistance to warping compared to traditional timber alternatives. For example, in April 2025, East Caribbean Metals Industries Ltd., a metal fabricator based in the Caribbean, introduced new C and Z purlins made from high-tensile galvanized steel. These purlins provide increased strength, corrosion resistance, and long-term cost savings. Their lightweight nature and modular design, with pre-punched holes, make them quick to install. Additionally, they are compatible with Colorbond and Zincalume roofing, offering a durable and efficient solution for residential, commercial, and industrial construction in the region.

In May 2024, Cosmic CRF Limited, an engineering components manufacturer based in India, acquired N.S. Engineering Projects Private Limited, a steel fabrication company specializing in the production of purlins and side rails. The acquisition, the terms of which were undisclosed, will allow Cosmic CRF to expand into Cold Rolled Forming (CRF) products and fabrication, improve production efficiency, and tap into growth opportunities in the Indian Railways infrastructure sector.

Major players in the purlins and side rails market are ArcelorMittal S.A., Tata Steel Limited, Voestalpine AG, Kingspan Group plc, Rautaruukki Corporation, Canam Group Inc., Lindab Group AB, ClarkDietrich Building Systems LLC, Steel & Tube Holdings Limited, Hadley Group Limited, Stratco Pty Ltd, Hi-Span Limited, Ayrshire Metals Limited, Duggan Steel Group Ltd., Zamil Steel Holding Company Ltd., Flexospan Steel Buildings Inc., Mutiara Roofing Industries Pvt. Ltd., Albion Sections Ltd., Santani Steel Private Limited, Millform Products Pty Ltd., VGS Solar And Building Systems Pvt. Ltd., BW Industries Ltd.

North America was the largest region in the purlins and side rails market in 2024. Asia-Pacific is expected to be the fastest-growing region in the forecast period. The regions covered in purlins and side rails report are Asia-Pacific, Western Europe, Eastern Europe, North America, South America, Middle East and Africa. The countries covered in the purlins and side rails market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

Note that the outlook for this market is being affected by rapid changes in trade relations and tariffs globally. The report will be updated prior to delivery to reflect the latest status, including revised forecasts and quantified impact analysis. The report’s recommendations and conclusions sections will be updated to give strategies for entities dealing with the fast-moving international environment.

The rapid escalation of U.S. tariffs and the resulting trade tensions in spring 2025 are significantly impacting the construction sector, particularly in materials procurement and project costs. Higher duties on imported steel, aluminum, lumber, and machinery have driven up expenses for builders, contractors, and infrastructure developers, leading to increased project bids and delayed timelines. Construction equipment manufacturers face similar challenges, with tariffs on essential components and raw materials inflating production costs and squeezing margins. Additionally, retaliatory tariffs in international markets have curtailed exports of U.S.-made construction equipment and materials, further affecting profitability. The sector must now prioritize local sourcing, modular construction techniques, and supply chain diversification to control costs and ensure project viability amid ongoing trade uncertainties.

Purlins and side rails are structural elements used in steel building systems to support roof and wall coverings. Purlins run horizontally along the roof, providing support for roof sheets between the main structural frames, while side rails run horizontally along the walls to support wall cladding. Both purlins and side rails transfer loads from the cladding to the main frame, ensuring structural stability and strength of the building envelope.

The primary product types in purlins and side rails include sleeved, butted, heavy end bay, double span, and others. Sleeved systems refer to purlins and rails where individual sections are connected using sleeve joints to create longer continuous spans. These products are commonly made from materials such as steel, aluminum, and others, and are distributed through various channels such as direct sales, distributors, online retail, and wholesale suppliers. Key end-use industries include automotive, manufacturing, energy and power, warehouse and logistics, and commercial sectors.

The purlins and side rails market research report is one of a series of new reports that provides purlins and side rails market statistics, including purlins and side rails industry global market size, regional shares, competitors with a purlins and side rails market share, detailed purlins and side rails market segments, market trends and opportunities, and any further data you may need to thrive in the purlins and side rails industry. This purlins and side rails market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future scenario of the industry.

The purlins and side rails market consist of sales of hot-rolled steel purlins, mild steel purlins, polymer-coated purlins, z-shaped, c-shaped, and sigma-shaped steel sections, hybrid material purlins, and weathering steel purlins. Values in this market are ‘factory gate’ values; that is, the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by their creators.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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