Buy Rocksilk® RainScreen Slab

Rocksilk® RainScreen Slab is a BBA certified Rock Mineral Wool slab designed for use as sheathing insulation in rainscreen façade systems both below and above 18m in height.

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, ECOSE® Technology.

  • BBA Certified (certificate 19/5609) for use in multiple build-ups so it can be specified with confidence.
  • BBA Accredited 3D U-value calculation service – the most accurate calculation available.
  • Made with a water-repellent additive – slabs will maintain their integrity while exposed on site.

Buy yours with us today at or speak to one of our friendly staff on 02038839057

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