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Rockwool Cavity Insulation
High-performance cavity wall insulation

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  • BBA certified for all exposure zones
  • Outstanding thermal and fire insulation
  • Does not require TCBs
  • Prevents Water transmission from the outer to the inner leaf
  • Non-combustible (Euroclass A1)
  • Superior fit against blockwork
  • No sagging or slumping

Protection from the outside world

Rockwool Cavity insulation is non-combustible and contains water-repellent additives which prevent moisture transmission between the outer and inner leaf.


Sustainable for the life of the building

All ROCKWOOL products provide outstanding thermal protection as well as four added benefits:

  • Fire resistance
  • Acoustic comfort
  • Sustainable materials
  • Durability

Contact Us to learn more about Rockwool Cavity Insulation