CECAEN Rev 3
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Sections Correlation Guide About the Project Contact
Group 251

Manufacture of metal doors and windows

This macroeconomic category covers the manufacture of doors, windows, gates and other metal closure elements, intended for residential, commercial and industrial applications. The process includes cutting, processing and assembling metal profiles (aluminum, steel, wrought iron) to produce standard or custom products. Entrepreneurs in this field serve clients in construction, interior design and property security sectors.

Included Activities & Applicability

  • ✅ Manufacture of metal doors and windows for buildings Manufacture of metal doors and windows for other constructions (e.g. garages
  • ✅ industrial halls) Manufacture of metal frames for doors and windows Manufacture of metal shutters
  • ✅ blinds and similar elements Manufacture of fire-resistant doors and security doors of metal Manufacture of metal gates
  • ✅ including automatic gates Manufacture of metal profiles and accessories for doors and windows Assembly of prefabricated metal components for doors and windows

Excluded Activities & Restrictions

  • ❌ Manufacture of wooden doors and windows (NACE code 1623)
  • ❌ Manufacture of plastic doors and windows (NACE code 2223)
  • ❌ Installation and mounting of doors and windows (NACE code 4332)
  • ❌ Manufacture of doors and windows for vehicles
  • ❌ Manufacture of furniture with drawers or cabinets integrated into doors
  • ❌ Repair and maintenance of metal doors and windows (NACE code 3311)
  • ❌ Manufacture of non-metal closure elements
  • ❌ Wholesale or retail trade of metal doors and windows (NACE codes 46 and 47)

Subordinate Structure

2511 Manufacture of metal constructions and parts of metal structures
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2512 Manufacture of metal doors and windows
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Detailed Analysis & Commercial Insights

Manufacturing of Metal Doors and Windows - CAEN 251

The industry of manufacturing metal doors and windows, associated with CAEN code 251, represents an essential component of the construction and basic material production sector in Romania. This economic niche covers a wide range of products, from simple frames and metal profiles to complex thermal insulation security systems. In a dynamic market, where demand for energy efficiency and durability is constantly increasing, Romanian manufacturers of metal doors and windows have managed to adapt by investing in modern aluminum and steel processing technologies, as well as quality certifications that attest to the thermal and acoustic performance of the products. Macroeconomically, this activity is closely linked to the evolution of the construction sector, infrastructure projects, and thermal rehabilitation of the existing building stock. Romania is on an upward trajectory in terms of new housing construction and the modernization of old buildings, which stimulates the demand for high-performance metal windows and doors. Challenges faced by entrepreneurs in this field include the volatility of raw material prices, particularly aluminum and steel, demand fluctuations due to construction seasonality, and the need to constantly innovate to meet European energy efficiency standards. Additionally, competition from low-cost imports and PVC or wood products can put pressure on profit margins. Despite these difficulties, local manufacturers who focus on quality, customization, and after-sales services (installation, warranties) manage to consolidate their market position. The digitalization of production processes and the development of smart solutions (e.g., doors with sensors or windows integrated with HVAC systems) open new opportunities for companies in this niche, while the trend towards green and sustainable buildings favors recyclable metal products with a long lifespan.