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Knauf Rocksilk® RS140 50mm – 600mm x 1200mm (2.88m²)
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Knauf Rocksilk® RS140 50mm – 600mm x 1200mm (2.88m²)

SKU: 227054
Est. £37.97 - £37.97  + VAT
Rocksilk® RS140 is a rock mineral wool slab for multiple thermal, fire protection and acoustic applications.

Product Description

Rocksilk® Building Slabs are rock mineral wool slabs manufactured in a range of densities, designed for use in multiple applications or fabrication where density or mechanical characteristics are critical for thermal, fire safety or acoustic performance. They are non-combustible with the best possible Euroclass A1 reaction to fire classification, and are manufactured using our unique plant-based binder, ECOSE® Technology.

Applications: Ground floors, Internal floors, Separating floors, Fabrication, Pitched roofs at rafter level, Internal walls / partitions, Light steel frame walls, Timber frame walls.

  • Single slab can be used for multiple applications.
  • Can be provided with a factory applied foil or tissue facing.
  • Manufactured from mineral wool which provides high levels of sound absorption and reduction.
  • Manufactured from rock mineral wool with a melting temperature of over 1000°C.

Product Specification

ApplicationsGround floors, Internal floors, Separating floors, Fabrication, Pitched roofs at rafter level, Internal walls / partitions, Light steel frame walls, Timber frame walls
BrandKnauf
Length (m)1.2
Length (mm)1200
MaterialRock Mineral Wool
RangeRocksilk® RS140
Thickness (mm)50
Width (mm)600
Core MaterialRock mineral wool
DurabilityOdourless, rot proof, non-hygroscopic; do not sustain vermin and will not encourage growth of fungi, mould or bacteria. Life equivalent to that of the structure in which they are incorporated.
GTIN (EAN)5012061827521
Manufacturer Product PageKnauf Insulation Product Page
MPN2411445
Pack Coverage (m²)2.88
Pack Qty. (units)4
Packs Per Pallet12
Pallet Coverage (m²)34.56
Pallet Qty. (units)48
Thermal Resistance R Value (m²K/W)1.45
Board Dimensions (mm)1200x600
FormatSlab
GWP A1–A3 (kgCO₂e/m²)7.26
GWP A1–C4 (kgCO₂e/m²)8.23
GWP A1–A3 (kgCO₂e/kg)1.3
GWP A1–C4 (kgCO₂e/kg)1.47
Handling & StorageStore and handle to keep products clean and undamaged. Shrink-wrapped pallets are for short-term protection only; for longer term, store indoors or under cover and off the ground. Protect from sunlight; store dry and flat. Avoid crushing edges/corners; discard damaged or wet products. Cover exposed slabs during wet weather.
Reaction to FireEuroclass A1 (EN 13501-1)
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+A1:2024; ISO 9001:2015+A1:2024; EUCEB; CE Marking; Indoor Air Comfort Gold; EPD; Declare Red List Free; Made in Britain
SustainabilityManufactured with ECOSE® Technology; around 35% recycled content; no ozone‑depleting substances or greenhouse gases. BES6001 'Very Good' for mineral wool. EPDs available.
Thermal Conductivity (W/mK)0.034
Vapour Resistivity (MNs/g·m)5
AvailabilityIn Stock