Material Resonance Library
Explore sound-absorbing materials with technical specifications and performance characteristics
Understanding Acoustic Materials
Noise Reduction Coefficient
The Noise Reduction Coefficient (NRC) is a standardized measurement indicating how effectively a material absorbs sound. NRC values range from 0 to 1, where higher values represent greater sound absorption capability.
Material selection involves balancing acoustic performance with aesthetic requirements and installation considerations. Each material type offers distinct characteristics suited to different applications and design preferences.
Visual texture analysis reveals the microscopic fiber structures that trap sound waves, providing insight into how material composition affects acoustic behavior.
Felt Panels
Material Composition
Felt panels are constructed from compressed natural or synthetic fibers, creating a dense material structure that effectively absorbs sound waves across mid to high frequency ranges.
Performance Specifications
NRC Rating: 0.65 - 0.85
Thickness Options: 20mm to 50mm
Optimal Frequency Range: 500 Hz to 4000 Hz
Felt materials excel at absorbing mid-range frequencies, making them suitable for reducing speech and music reflections in residential and commercial spaces.
Application Considerations
Felt panels offer flexibility in installation and can be mounted on walls or suspended from ceilings. The material provides natural texture and is available in various color options to complement interior design schemes.
Maintenance requirements are minimal, with occasional dusting sufficient to maintain both aesthetic appearance and acoustic performance.
Wood-Slatted Panels
Design and Function
Wood-slatted panels combine aesthetic appeal with acoustic functionality. The slatted design allows sound waves to penetrate between the wood elements, reaching absorbent backing materials behind the surface.
Technical Characteristics
NRC Rating: 0.55 - 0.75
Wood Type Options: Oak, Ash, Walnut, Custom
Slat Spacing: Variable (affects frequency response)
The combination of sound diffusion from the wood surface and absorption from backing materials creates a balanced acoustic effect that reduces reflections while maintaining natural sound character.
Installation Benefits
Wood-slatted panels provide visual warmth while addressing acoustic requirements. The material integrates seamlessly with natural wood interior designs and offers durability suitable for long-term installation.
Bio-Foam Materials
Material Structure
Bio-foam acoustic materials feature open-cell structures designed to trap and dissipate sound energy. The cellular composition creates numerous sound-absorbing surfaces within a compact material thickness.
Microscopic analysis reveals interconnected pores that channel sound waves through the material, converting acoustic energy into minimal heat through friction and wave interference.
Performance Specifications
NRC Rating: 0.70 - 0.95
Thickness Range: 25mm to 100mm
Frequency Coverage: 125 Hz to 4000 Hz
Bio-foams offer excellent low-frequency absorption, making them effective for addressing bass buildup and low-frequency resonance issues in treated spaces.
Application Methods
Available in panel, tile, and custom-cut configurations to accommodate various installation requirements. The material can be surface-mounted or integrated into wall and ceiling systems.
Fire-resistant variants are available for commercial applications requiring compliance with building safety regulations.
Material Selection Guide
Choosing Appropriate Materials
Material selection depends on several factors including intended space use, existing design aesthetic, acoustic goals, and budget considerations. A combination of materials often provides optimal results.
Frequency-specific needs may require targeted material choices. For example, spaces with low-frequency issues benefit from thicker bio-foam installations, while high-frequency reflections may be addressed with felt panel placement.
Visual compatibility with existing interior design ensures that acoustic treatments enhance rather than detract from the overall aesthetic of the space.
Consultation