{
 "id": "9.06d",
 "slug": "structure-steel-precast-envelope-site-equipment-envelope",
 "url": "/parts/building-shell-site-and-construction/structure-steel-precast-envelope-site-equipment-envelope",
 "name": "Envelope",
 "qualifiers": null,
 "layer": {
  "id": 9,
  "name": "Building shell, site & construction"
 },
 "parent_id": "9.06",
 "children": [],
 "summary": "Roofing, wall panels, insulation, and other building envelope systems that enclose and weatherproof the shell.",
 "description_md": null,
 "ai_delta": null,
 "bottleneck_status": null,
 "scale_tiers": [],
 "density_modes": [],
 "scale_notes": null,
 "flow": [
  "shell"
 ],
 "companies": [
  {
   "company_id": "bluescope-butler",
   "name": "BlueScope/Butler",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "BSL.AX",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "carlisle",
   "name": "Carlisle",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "CSL",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "holcim",
   "name": "Holcim",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "HOLN.SW",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "kingspan",
   "name": "Kingspan",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "KRX.IR",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "nucor",
   "name": "Nucor",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "NUE",
   "product_note": "Insulated Panel",
   "note": null,
   "source_url": null
  },
  {
   "company_id": "owens-corning",
   "name": "Owens Corning",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "OC",
   "product_note": null,
   "note": null,
   "source_url": null
  }
 ]
}