Knauf Rocksilk RS60 30mm Building Slab

The 30mm Rocksilk RS60 Knauf Rock Mineral Wool Insulation Slab is a standard-density (60kg/m3) building material, non-combustible and specially designed for versatile applications with outstanding fire performance, classified as Euroclass A1—the highest rating for non-combustible materials.

Measuring 1200mm x 600mm, this Knauf RS60 rocksilk insulation slab delivers excellent thermal and acoustic performance for both new construction and renovation projects.

These slabs are odourless, non-hygroscopic, and rot-proof, with no CFCs or HCFCs, and resist fungal, mould, and bacterial growth.

The unfaced 30mm Knauf RS60 insulation slab features a certified thermal conductivity (λ - lambda value) of 0.035W/mK for reliable thermal efficiency.

With a density of 60kg/m3, the 30mm RS60 slab works well across multiple applications, including internal partitions, timber and metal studs, and placement between timber rafters and floor joists.

The 30mm Knauf building slabs provide excellent sound absorption characteristics, delivering significant sound reduction benefits.

Installation is straightforward—simply cut and shape using a large-bladed knife or saw. The 30mm Knauf Rocksilk RS60 insulation slab is practical and user-friendly to fit.

Product specification

• Brand: Knauf®
• Model: 30mm Rocksilk RS60
• Thickness: 30mm
• Length: 1200mm
• Width: 600mm
• Dimensions: 1,200mm x 600mm x 30mm
• Board Coverage: 0.72m2
• Pack Coverage: 10.08m2
• Pack Quantity: 14
• R-Value: 0.85m2K/W
• Thermal Conductivity: 0.035W/mK
• Density: 60kg/m3
• Colour: Brown
• Material: Rock mineral wool
• Fire Classification: Euroclass A1
• Vapour Resistivity: 5.00MNs/g.m.
• Fire Reaction: Non-combustible
• Building Regulations: Class '0'
• Finish: Unfaced
• Shipping method: Articulated Vehicle ǀ Courier
• Applications: Floor ǀ Wall ǀ Roof ǀ Partitions
• Foil faced: No
• ECOSE Technology: Yes
• ETA Notification: Yes
• Features: Thermal and Acoustic Insulation Performance
• Manufacturer: Knauf Rocksilk®

Made to order Facings

For a factory applied foil or tissue facing please request a quotation using the website form or by calling our agents. We do offer single side or double side foil/tissue facings.

Applications

30mm Rocksilk Building Slabs suit a wide range of uses, from pitched roof constructions between rafters to intermediate floors, separating floors, internal stud partitions, and light steel frame infill. These slabs are widely used in OEM (Original Equipment Manufacturer) applications for creating thermal, acoustic, and fire products. With their non-combustible properties, Rocksilk® Building Slabs are available across a range of densities from 45kg/m3 to 140kg/m3, meeting diverse project requirements.

Benefits

• One slab type works across many different applications.
• Factory-applied foil or tissue facing options are available, opening up solutions for a comprehensive range of uses.
• Made from mineral wool, it provides superior sound absorption and noise reduction compared to many other mainstream insulation products.
• Constructed from rock mineral wool with a melting point above 1000°C, delivering extended fire resistance performance compared to other common insulants.

Info

Browse our full Knauf Insulation range and refine by thickness or coverage using the filters on the left. For advice on product suitability for your project or to request a quantity discount quotation, contact us by phone on +4402038839057, email sales@insulationbee or use Live Chat for the best UK Knauf Loft Insulation prices.