Knauf – Mineral Wool Insulation for Thermal, Acoustic, and Fire Protection

Our Knauf Collection features a wide range of high-performance mineral wool insulation products designed for use in residential, commercial, and industrial buildings. Manufactured by Knauf Insulation, these solutions deliver exceptional thermal efficiency, acoustic control, and fire safety across walls, floors, roofs, and service systems.

Product Overview

Knauf is the only UK manufacturer of both glass and rock mineral wool, offering tailored solutions for every application. All products are manufactured with ECOSE® Technology—a formaldehyde-free binder derived from renewable materials—which enhances sustainability, indoor air quality, and handling comfort.

The collection includes:

• Loft Roll 44: Pre-cut rolls for pitched roof insulation at ceiling level
• FrameTherm® Rolls and Slabs: Designed for timber frame walls and party walls
• DriTherm® Cavity Slabs: Full-fill cavity wall insulation with Euroclass A1 fire rating
• Rocksilk® Soffit Slabs and RS45: High-density slabs for thermal and acoustic insulation in soffits and service areas
• Acoustic Rolls and Partition Slabs: Engineered for sound absorption in internal walls and floors

Applications

• Pitched roofs, lofts, and attic spaces
• Timber frame and masonry cavity walls
• Internal partitions and separating floors
• Soffits, service risers, and plant rooms
• Fire-rated enclosures and acoustic barriers

Performance Benefits

• Euroclass A1 fire classification for non-combustibility
• Low thermal conductivity for energy-efficient buildings
• Excellent acoustic absorption for noise control
• Easy to cut, fit, and handle with minimal dust
• Manufactured with recycled content and low embodied carbon
• Supports compliance with Part L and Part E of UK Building Regulations