ROXUL ThermalRock S, stone wool slabs, are manufactured in a wide variety of thicknesses and densities to suit most requirements, suitable for general application in residential, commercial and industrial buildings.

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Roxul stone wool products are made of basalt, a volcanic stone. Roxul stone wool products are non-combustible with a melting point of approximately 1000oC. They are particularly suitable for thermal insulation, fire protection and sound reduction/absorption.

Roxul stone wool is inorganic and contains no nutritious substance. Therefore it will not be attacked by microorganisms. Mineral wool will not rot and does not attract vermin.

No CFCs, HFCs, HCFCs, or asbestos are used in the manufacture of Roxul stone wool products.


  • Non-combustible and firesafe
  • Provides thermal comfort and cooler indoor environment
  • Reduces cooling load of a building
  • Contributes to energy savings and reduction in carbon emissions

Roxul Thermal Rock S (600x1200x50mm) is available ex-stock in 40kg, 60kg, 80kg and  densities.