Cavitybatt is a unique glass wool wall insulation product from ISOVER, designed to insulate cavity walls and dry wall systems.

Dry Wall Insulation

Cavitybatt and Cavitylite has been specially developed for insulation within steel frame structures, timber frame buildings and dry wall systems. It is manufactured using high quality glass wool and are glass tissue faced on one side for ease of handling and improved rigidity.


  • Steel frame buildings
  • Timber frame structures
  • Dry wall systems
  • Designed for use in cavity walls but may effectively be used on top of ceilings, along the roofline, or within masonry wall cavities

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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
11326 75 600 1200 1,97
14597 51 600 1200 1,34
14598 63 600 1200 1,66
14599 102 600 1200 2,68


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