The ROCKWOOL Sound Flexi Dual Purpose Insulation Slab is expertly engineered from stone wool, featuring a unique non-directional fibre structure that effectively absorbs sound waves and reduces vibrations for superior soundproofing in walls, floors, and loft spaces.

Quiet Mark certification ensures outstanding noise control, making it one of the top choices for acoustic performance. This versatile slab not only excels in sound insulation but also boasts a Euroclass A1 fire rating, providing non-combustible protection at temperatures exceeding 1000C. With flexible edges for an easy and gap-free fit, installation is a breeze. Additionally, the product's 140mm version enhances thermal insulation, perfect for external timber frame constructions, offering comprehensive protection and energy efficiency. Key features include its 50mm thickness, lightweight design, and suitability for a range of applicationsdelivering an all-encompassing, high-performance insulation solution.

• Size: 1200x400x50mm, covers 5.76 m2
• Lightweight for easy handling and installation
• Applications: Walls, floors, lofts, timber frames
• Acoustic Certification: Quiet Mark approved
• Fire Safety: Euroclass A1 non-combustible
• Heat Resistance: Withstands 1000C+
• Installation: Flexible edges for easy fitting
• Thermal Performance (140mm): 0.035 W/mK conductivity