140mm Rockwool Timber Frame Slab 1.2m x 570mm

The Rockwool Timber Frame Slab is a semi-rigid stone wool insulation designed specifically for timber frame walls. Engineered to provide excellent thermal efficiency, fire protection, and sound absorption, it helps create safe, energy-efficient, and comfortable buildings. Its flexible design allows for easy fitting between studs while maintaining long-term performance.

Benefits

• Low thermal conductivity helps reduce heat loss and improve energy efficiency
• Rated Euroclass A1 non-combustible, providing high-level fire safety
• Semi-rigid slabs maintain their shape and compress easily for quick, accurate installation
• Effective acoustic insulation, reducing noise transmission between rooms and floors
• Water-resistant yet breathable, preventing moisture build-up while allowing vapour to pass through
• Durable and long-lasting, resisting sagging or deformation over time
• Made from natural stone wool, supporting sustainable construction practices
  

Good to Know

• Designed for external timber frame walls but can also be used in other framed structures
• Supplied in widths to fit standard stud spacings for a clean, friction-fit installation
• Easily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas
  
• Store under cover, off the ground, avoiding prolonged exposure to sunlight and rain
• Specialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas