Sealant backing

{
  "id": "MLC-T-IND-005111",
  "term": "Sealant backing",
  "field": "Industrial and trades",
  "definition": "A compressible material inserted into a joint before applying sealant, serving to control the depth of the sealant bead and prevent three-sided adhesion. This material, often a closed-cell foam rod, creates the correct sealant profile for optimal performance and flexibility. It also acts as a bond breaker at the back of the joint.",
  "subject": "Construction",
  "translations": {
    "de": "Dichtungsunterlage",
    "es": "material de respaldo para sellador",
    "fr": "fond de joint"
  },
  "url": "https://mlchart.com/terminology/industrial/sealant-backing/"
}