Knauf Rocksilk RS60 - Rock Mineral Wool Acoustic and Thermal Insulation Slab

Write Review
product brand
Brand: Knauf Insulation
Country of Manufacture: United Kingdom
In Stock
Product Code: KFRS6
Est. Delivery: 2-3 Working Days
Shipping cost displayed in basket
£35.99 (ex VAT)
£43.19 (incl VAT)

Earthwool Knauf RS60 building slabs offer excellent acoustic can thermal insulation. They can be used to insulate floors, walls, roofs or any other framed application. These non-combustible slabs can be used in any type of structure, be it commercial or residential. Rocksilk RS60 is made of rock wool and is non-combustible in nature with the highest possible fire classification rating A1 by Euroclass. Acoustic insulation slabs are rot-proof and do not support the growth of vermin or moulds. 

Rocksilk RS60 is lightweight, long-lasting and durable. They are easy to cut and install. They are specially designed to enable friction-fitting. Thermal and acoustic insulation slabs have versatile applications. They are perfectly suited for a wide range of specifications, uses, and performance needs.

Knauf Insulations uses ECOSE® Technology to make its rock mineral wool insulation more environmentally and people-friendly. The mineral wool insulation manufactured with this unique bio-binder based technology uses no added formaldehyde or phenol and requires up to 70% less energy in the process. Therefore, insulation slabs generate very low levels of dust, making them easy to handle. They also help improve air quality as they do not shred fibres easily. Insulation made with Ecose technology is soft to touch and increases comfort for those handling it.

Product Specification:

  • Length: 1200 mm
  • Width: 600 mm


Sheets in a pack

Pack Coverage














Key Features:

  • Rocksilk RS60 provides excellent thermal insulation, owing to its low thermal conductivity.
  • Excellent soundproofing abilities enable the product to achieve high degrees of sound reduction. Lightweight, easy to use slabs that have versatile applications.
  • Thermal insulation slabs are non-combustible A1 Euroclass Reaction to Fire classification.
  • Rocksilk RS60 is manufactured using ECOSE technology.
  • Perfectly suited for a wide range of specifications, uses, and performance needs.
  • Acoustic insulation slabs are non-hygroscopic, odourless and rot-proof slabs.
  • They can be easily cut to the desired size, with a knife or saw.
  • Insulation slabs adapt easily to any slight imperfections in the substrate and knit together, eliminating any air gaps, unlike rigid board insulation.


  • Knauf rock silk provides excellent floor insulation. They offer excellent insulation to ground floors, internal floors and separating floors.
  • They can also be used to provide exceptional internal wall insulation. Can be used to insulate partitions, Timber frame walls, light steel frame walls
  • They are also ideal for pitched roof insulation at rafter levels and fabrication. 

Product Details:

  • Thermal Conductivity : 0.034 -0.035 W/mK
  • Thermal Resistance: 1.45m2K/W
  • Surface Spread of Flame: Class 1
  • Vapour Resistivity: 5.00 MN.s/g.m
  • You can find more information relating to Rocksilk RS60 here


  • A1 Euroclass Fire Rating
  • Eurofins Gold
  • CE Marking
  • Green Guide Rating A+ 


  • Knauf Rocksilk60 is made using eco-friendly ECOSE technology.
  • These slabs are free of CFCs, HCFCs, and other elements that could deplete the ozone layer. They have no ODP, thus making it more environmentally friendly.

Handling and Storage:

  • Rocksilk Building Slabs are easy to handle and install.
  • They are lightweight and easily cut to size, where necessary. 
  • The Rocksilk Slabs are packaged in recyclable polythene (4-LDPE) which is designed for short-term storage.
  • Ideally, the product should be either stored indoors, under cover or off the ground on-site for longer-term protection.

Average Customer Rating
Overall 0.0

Related Products

Cookies help us deliver our services. By using this website, you agree with our use of cookies. Learn more