Insulation of vaults

GEOMATERIALS Expanded Glass takes the load off old vaults.

Low weight load and a slender floor structure are the main features when over-insulating old vaults. Bringing in as little additional moisture as possible is also desirable. GEOMATERIALS Expanded Glass is extremely light and enables quick, dry working. In combination with a finished system for underfloor heating, GEOMATERIALS Expanded Glass enables an extremely low floor structure with the highest ecological living quality.


  • Suitable for insulating old buildings
  • Lightweight: in minerally bound form, GEOMATERIALS Expanded Glass is light as a feather and puts barely any load on old constructions
  • Extremely low floor structure with the highest ecological quality of living
  • Moisture-resistant: GEOMATERIALS Expanded Glass absorbs almost no water and dries out quickly