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Knauf Rocksilk RS45

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£32.99£35.99 + VAT

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Multi-Application, Ground floors, Internal floors, Separating floors, Fabrication, Pitched roofs at rafter level, Internal walls / partitions, Light steel frame walls, Timber frame walls


Rock Mineral Wool


Rocksilk® RS45 is a Rock Mineral Wool slab, designed for use in multiple thermal and acoustic applications.

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.


  • Single slab can be used for multiple applications.
  • Can be provided with a factory applied foil or tissue facing, offering solutions for a wide variety of applications.

50mm 7.2m2, 100mm 3.6m2

Knauf Rocksilk RS45
£32.99£35.99 + VATSelect options
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