50mm Knauf Rocksilk Acoustic Floor Slabs (1000mm x 600mm) (4 per pack) (2.40m2)

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50mm Rocksilk® Acoustic Floor Slab is a Rock Mineral Wool slab, specially designed to meet acoustic requirements for floating floors. This non-combustible insulation holds the best Euroclass A1 reaction to fire classification and is made with Knauf Insulation’s exclusive bio-based binder, ECOSE® Technology.

Features and Benefits:

  • Compatible with various constructions from the Robust Details Handbook, no on-site acoustic testing needed.
  • Substantially reduces inter-storey sound transfer.
  • Easily adapts to minor substrate imperfections.

thermal conductivity

0.035 W/mk

Fire Rating

Euroclass A


Rock Mineral Wool

compressive strength




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