Cavitybatt Board

Cavitybatt Board

Cavitybatt/Cavitylite as a unique glaswool wall insulation product from ISOVER, designed to insulate drywall systems. It is manufactured using high-quality glasswool and is glass tissue faced on one side for ease of handling and improved rigidity.




  • Steel frame buildings
  • Timber frame structures
  • Drywall systems
  • Cavitylite may be used on top of ceilings or along a roofline.

Key Benefits

  • Lifelong energy savings
  • Exceptional acoustic properties
  • Lightweight and easy to handle
  • Maintenance-free
  • Long product life – will not readily age
  • Self-supporting – will not sag
  • Compression packed – to reduce volume and optimise transport and storage
  • High tear strength yet readily cut with a sharp blade.


CAVITYBATT is available in the following sizes and thermal resistance.

  • Thickness      Width         Length           Thermal resistance
  •         51           600mm       1200mm            1,34
  •         63           600mm       1200mm            1,66
  •       102           600mm       1200mm            2,68
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