25mm Knauf Rocksilk RS100 1.2mm x 600mm

Knauf Insulation Rocksilk RS100 is a high-density rock mineral wool slab engineered for superior thermal insulation, acoustic performance, and fire safety. With a density of 100 kg/m³ and a thermal conductivity of 0.034 W/mK, RS100 offers robust performance across residential, commercial, and industrial applications. Manufactured with eco-friendly ECOSE® Technology, it delivers a Euroclass A1 fire classification while supporting sustainable building practices. Its resilient fibre structure ensures long-lasting stability, making it ideal for floors, walls, and ceilings where both energy efficiency and comfort are essential.

Benefits

• Exceptional Thermal Insulation
  
• Euroclass A1 Non-combustible
  
• Acoustic Performance
  
• Will not slump or degrade over time, maintaining performance for the life of the building
  
• Versatile Applications
  
• Eco-Friendly Manufacturing

Good to know

• Available in multiple thicknesses
  
• Slabs should be closely butted together to ensure continuous insulation. Proper alignment and secure fixing help maximise thermal and acoustic performance.
  
• Not a decorative surface
  
• Installation quality matters
  
• The product should be covered, off the ground and protected from the weather if kept on site