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Knauf Rocksilk® Acoustic Floor Slab Plus 25mm – 600mm x 1000mm (4.8m²)
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Knauf Rocksilk® Acoustic Floor Slab Plus 25mm – 600mm x 1000mm (4.8m²)

SKU: 226851
£92.88 - £103.20  + VAT
Rocksilk® Acoustic Floor Slab Plus is a rock mineral wool slab with the highest load-bearing capability in the range, designed for use in separating floors.

Product Description

Rocksilk® Acoustic Floor Slab Plus is a rock mineral wool slab with the highest load-bearing capability in the range, designed for use in separating floors. It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using our unique plant-based binder, ECOSE® Technology.

Designed as the resilient layer within separating floor build-ups, the slabs are non-combustible and easy to handle.

  • Manufactured from mineral wool for high sound absorption
  • Suitable for constructions registered in the Robust Details Handbook
  • Engineered to adapt to minor substrate imperfections
  • Suitable where higher load-bearing is required

For detailed specifications, refer to the product datasheet and Declaration of Performance.

Product Specification

ApplicationsSeparating floors
BrandKnauf
Length (m)1
Length (mm)1000
MaterialRock mineral wool
RangeRocksilk® Acoustic Floor Slab Plus
Thickness (mm)25
Width (mm)600
Board Dimensions (mm)1000 x 600
DurabilityOdourless, rot proof, non‑hygroscopic; non‑wicking (BS 2972:1989 Section 12).
FormatSlab
GTIN (EAN)5012061995923
Handling & StorageStore dry, flat and under cover; polyethylene packaging offers short‑term protection only; protect from prolonged sunlight; handle to avoid crushing edges or corners.
Manufacturer Product PageKnauf Insulation Product Page
MPN606069
NBS Uniclass CodePr_25_57_06_54 Mineral wool sound insulation
NBS Uniclass Code2Pr_25_57_06_56 Mineral wool slab insulation
NBS Uniclass Code3Pr_25_57_06_53 Mineral wool insulation
Pack Coverage (m²)4.8
Pack Quantity (units)8
Packs Per Pallet24
Pallet Coverage (m²)115.2
Reaction to Fire BS EN 13501-1Euroclass A1
Selling UnitPack
Standards & CertificationsBS EN 13162:2012+A1:2015; EN 13501-1 (Euroclass A1); ISO 50001:2018; ISO 14001:2015+A1:2024; ISO 45001:2023+A1; ISO 9001:2015+A1:2024; EUCEB certified fibres; Indoor Air Comfort Gold (Eurofins); DECLARE Red List Free; Made in Britain; EPD available
SustainabilityManufactured with ECOSE® Technology; ~35% recycled content; Indoor Air Comfort Gold; DECLARE Red List Free.
Vapour Resistivity (MNs/g·m)5
AvailabilityIn Stock