CPV code 45421140 designates Installation of metal joinery except doors and windows in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
45421140 sits under 45421100 (Installation of doors and windows and related components) and groups 8 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.