Knauf Insulation Rocksilk Flexible Slab 90 x 600 x 1200mm (4.32m²) Pack of 6

The Knauf Insulation Rocksilk Flexible Slab is a high-quality stone wool insulation slab designed for thermal, acoustic, and fire protection in residential, commercial, and industrial buildings. Its flexible structure allows for easy installation around pipes, ductwork, and irregular surfaces, providing reliable insulation performance in walls, ceilings, and floors.

Made with non-combustible rock wool, Rocksilk slabs are durable, moisture-resistant, and eco-friendly, ensuring safe, comfortable, and energy-efficient spaces.

Features and Specifications

• Brand: Knauf Insulation
• Product Type: Rocksilk Flexible Slab
• Dimensions: 90mm (T) x 600mm (W) x 1200mm (L)
• Pack Coverage: 4.32m² (Pack of 6)
• Material: Non-combustible stone wool
• Thermal Conductivity: 0.037 W/mK
• Fire Rating: Euroclass A1 – non-combustible
• Sound Absorption: Excellent – reduces noise transfer
• Moisture Resistance: High – resists water absorption
• Application: Walls, floors, ceilings, partitions, and around services

Benefits

• Exceptional thermal insulation – reduces heat loss and improves energy efficiency.
• Excellent acoustic performance – minimizes sound transmission between rooms.
• Fire-resistant – Euroclass A1 rating ensures maximum safety.
• Flexible and easy to handle – fits around pipes, ducts, and irregular shapes.
• Durable and long-lasting – maintains performance over the building’s lifetime.
• Eco-friendly and safe – made from sustainable and non-toxic materials.

Ideal Applications

• Timber frame or masonry walls
• Ceilings and suspended floors
• Acoustic partitions and party walls
• Around pipes, ducts, and irregular surfaces for complete coverage

Can Rocksilk Flexible Slabs 90mm be cut to fit irregular spaces?
Yes, the slabs are flexible and can be easily cut or shaped to fit around pipes, ductwork, or uneven surfaces while maintaining insulation performance.