{
  "url": "https://openlegislation.uk/building-regulations-northern-ireland-2000/regulation-B2",
  "json_url": "https://openlegislation.uk/building-regulations-northern-ireland-2000/regulation-B2.json",
  "legislation": "nisr/2000/389",
  "legislation_title": "Building Regulations (Northern Ireland) 2000",
  "legislation_url": "https://openlegislation.uk/building-regulations-northern-ireland-2000",
  "path": "regulation/B2",
  "kind": "regulation",
  "number": "B2",
  "heading": "Fitness of materials and workmanship",
  "text": "In any relevant work—\n(a) the materials used shall—\n(i) be of a suitable nature and quality in relation to the purposes for and the conditions in which they are used;\n(ii) be adequately mixed and prepared;\n(iii) be applied, used or fixed so as adequately to perform the functions for which they are designed; and\n(iv) not continue to emit any harmful substance longer than is reasonable in the circumstances; and\n(b) the standards of materials and workmanship need be no more than are necessary to secure the health and safety of people in or about the building and, where appropriate, the convenience of disabled people and the conservation of fuel and power.",
  "extent": "N.I.",
  "status": "prospective",
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "coming into force",
      "affecting": "nisr/2000/389",
      "affecting_title": "Building Regulations (Northern Ireland) 2000"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2000/389/regulation/B2",
    "retrieved_at": "2026-10-29T02:13:38.985369+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}