Knauf Insulation Rocksilk Flexible Slab 100 x 600 x 1200mm (4.32m²) Pack of 6

The Knauf Insulation Rocksilk Flexible Slab is a premium stone wool insulation slab engineered for thermal, acoustic, and fire protection in residential, commercial, and industrial buildings. Its flexible design allows easy installation around pipes, ductwork, and uneven surfaces, making it ideal for walls, ceilings, and floors.

Manufactured from non-combustible rock wool, these slabs provide long-lasting performance, excellent moisture resistance, and contribute to safe, energy-efficient, and comfortable spaces.

Features and Specifications

• Brand: Knauf Insulation
• Product Type: Rocksilk Flexible Slab
• Dimensions: 100mm (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

• Superior thermal insulation – reduces heat loss and improves energy efficiency.
• Outstanding acoustic performance – minimizes noise between rooms or floors.
• Fire-resistant – Euroclass A1 ensures maximum safety.
• Flexible and easy to install – fits around pipes, ducts, and irregular surfaces.
• Durable and long-lasting – maintains insulation properties over time.
• Eco-friendly and safe – manufactured from sustainable, non-toxic materials.

Ideal Applications

• Timber frame and masonry walls
• Suspended ceilings and floors
• Acoustic partitions and party walls
• Around pipes, ducts, and other irregular surfaces

Can Rocksilk Flexible Slabs 100mm be cut to fit irregular spaces?
Yes, the slabs are flexible and can be easily cut or shaped to fit around pipes, ducts, or uneven surfaces while retaining thermal and acoustic performance.