Cavitybatt/Cavitylite is a unique glasswool wall insulation product from ISOVER, designed to insulate drywall systems.

Drywall Insulation

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
Cavitybatt Application
CavitybattCavitybatt ApplicationCavitylite

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

Technical Properties

ConductivityK0,038W/m.K14 kg/m³
Typical values

Variants Details


SKU Thickness Width Length Thermal resistance
14597 51 600 1200 1,34
14598 63 600 1200 1,66
11326 75 600 1200 1,97
14599 102 600 1200 2,68


Stock items (1 - 3 working days)
Made to order items (7 - 15 working days)
Standard items (3 - 7 working days)
  • Non-combustible - tested to SANS 10177 Part 5