Expansion joint

{
  "id": "MLC-T-IND-002120",
  "term": "Expansion joint",
  "field": "Industrial and trades",
  "definition": "A mid-panel separation designed to relieve stress on building materials caused by thermal expansion and contraction, moisture changes, or seismic activity. This gap prevents cracking or buckling in large surfaces like concrete slabs, masonry walls, or piping systems. The joint is often filled with a flexible material such as rubber, cork, or asphalt to maintain weatherproofing while permitting movement.",
  "subject": "Construction",
  "translations": {
    "de": "Dehnfuge",
    "es": "junta de expansión",
    "fr": "joint de dilatation"
  },
  "url": "https://mlchart.com/terminology/industrial/expansion-joint/"
}