The Earthwool SOUND R2.1 by Knauf is a high-density acoustic insulation solution designed to improve sound reduction and thermal efficiency in internal building systems. Manufactured using advanced ECOSE® Technology, it is soft to handle, low in dust, and easy to install, making it ideal for residential, commercial, and multi-residential wall, ceiling, and floor applications where acoustic comfort is important.
Dimensions: 75mm (Thickness) x 600mm (Width)
Density: 24 kg/m³
Thermal Rating: R2.1
Coverage: 7.44m² Total
Pack Configuration: 2 Pieces per Pack
Application: Acoustic wall, ceiling, and floor insulation
Material: Glasswool Insulation with ECOSE® Technology
Acoustic Performance: The high-density 24 kg/m³ structure provides strong sound absorption, helping reduce airborne noise transfer between rooms and improving overall acoustic comfort in interior spaces.
Energy Efficiency: Offers reliable thermal insulation performance that helps maintain stable indoor temperatures and supports improved energy efficiency in buildings.
Installation: Pre-cut batts are designed for quick and easy installation within standard stud and joist spacing, ensuring a snug fit that minimizes gaps and improves performance consistency.
Sustainability: Manufactured using renewable bio-based binder technology and recycled glass content, supporting environmentally responsible construction practices.
Applications
The Earthwool SOUND R2.1 is suitable for internal partition walls, ceilings, and floor systems in homes, apartments, offices, schools, and commercial buildings where both acoustic control and thermal insulation are required. The 600mm width is designed to align with standard framing systems, ensuring efficient coverage, reduced installation time, and dependable long-term performance.