45261420 - Waterproofing work

CPV code 45261420 in the EU Common Procurement Vocabulary refers to Waterproofing work. It sits at level 6 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45261400, narrowing the broader category into the specific area of waterproofing work. As a leaf code, 45261420 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns waterproofing work. Contracting authorities across the EU use 45261420 in TED notices and national procurement portals to signal that a tender relates to waterproofing work.