Knauf Insulation Rocksilk RS140 Building Slabs

RocksilkĀ® RS140 is a Rock Mineral Wool slab, designed for use by fabricators in specialist applications where density and mechanical characteristics are critical (such as passive fire protection). It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using Knauf Insulation's unique bio-based binder, ECOSEĀ® Technology.

  • Single slab can be used for multiple applications.
  • Can be provided with a factory applied foil or tissue facing, offering solutions for a wide variety of applications.

Product code : 05RARS140


  • Pitched Roofs - Rafter Level
  • Timber Frame Walls
  • Light Steel Frame Walls
  • Internal Walls
  • Separating Floors - Timber
  • Suspended Timber Ground Floors
  • Fabrication