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Knauf 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.

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