Knauf Insulation RainScreen Slab 1200x600x180mm

An A1 Non-Combustible Rock Mineral Wool slab, Rocksilk® RainScreen Slab is manufactured using Knauf Insulation's unique ECOSE® Technology and designed for use in Rainscreen façade systems both below and above 18m in height.

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.

RainScreen Slab now BBA certified for a broader range of build ups

You can use Rocksilk® RainScreen Slabs for bridging Damp Proof Courses (DPC), as RainScreen Slab has earned the industry’s first BBA certification for bridging DPC’s of the inner and outer leaf.

Another industry first, Rocksilk® RainScreen Slab is now certified for double layering of the slabs in build ups.

It can now be used in a timber frame application with a masonry outer leaf and is suitable for use in a reinforced concrete substrate with cladding outer.

  • Non-combustible Euroclass A1 Reaction to Fire classification rating
  • Suitable for use on all buildings including those above 18m in height providing compliance with fire related building regulations
  • Excellent thermal performance
  • Excellent sound absorption characteristics provide high levels of sound reduction
  • Provides a unique combination of thermal, fire and acoustic performance

Product code : 17SA1206180


Key Performance Criteria

  • Thermal Resistance : 5.25m2K/W
  • Thermal Conductivity : 0.034W/mK
  • Euroclass Fire Classification : A1

Associated products


Product Certifications

  • Non-Combustible A1 reaction to fire classification rating
  • Eurofins gold indoor air comfort certified product
  • A+ BRE Green guide rating
  • Bureau Veritas
  • CE Marking
  • British Board of Agrément approved for use in all exposure zones