Knauf Insulation Rocksilk RS45 1200x600x25mm

An A1 Non-Combustible Rock Mineral Wool slab, Rocksilk® RS45 is manufactured using Knauf Insulation's unique ECOSE® Technology and designed for use in multiple applications including internal partitions, timber and metal studs, and in between timber rafters and floor joists.

Made with ECOSE® Technology which does not contain any added phenol or formaldehyde. Products made with ECOSE® are soft to touch, they generate low levels of dust and low VOCs.

  • Excellent thermal performance
  • Non-combustible Euroclass A1 Reaction to Fire classification rating
  • Excellent sound absorption characteristics provide high levels of sound reduction
  • Multi-purpose product range which can be used to insulate a wide range of applications on site
  • Easy to cut with a large bladed knife or saw

Product code : 05RARS045025


Key Performance Criteria

  • Thermal Resistance : 0.70m²K/W
  • Thermal Conductivity : 0.035W/mK
  • Euroclass Fire Classification : A1


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