In a groundbreaking study, researchers have unveiled a novel approach to sound absorption that could reshape the construction sector’s materials landscape. By harnessing the natural properties of fungal mycelium, a team led by Wenjing Sun at the Sustainable Materials Laboratory, Institute of Materials, School of Engineering, EPFL, has developed mycelium-bound composites from agro-industrial waste. This innovative technique not only addresses acoustic challenges but also promotes sustainability through upcycling.
The research, published in the journal ‘Materials & Design’, explores the creation of sound-absorbing panels that are both effective and environmentally friendly. By cultivating mycelium in 3D printed molds, the team was able to design precise perforated patterns that enhance sound absorption through the principles of Helmholtz resonance. This method resulted in significant improvements in sound absorption across a wide frequency range, particularly excelling at low to mid-frequencies.
Wenjing Sun emphasized the importance of this research, stating, “Our approach demonstrates how we can utilize waste materials to create high-performance products that are completely biodegradable. This opens up new avenues for sustainable design in construction.” The implications for the construction industry are profound; as architects and builders increasingly prioritize sustainability, these mycelium-bound composites could serve as a viable alternative to traditional soundproofing materials, which often rely on synthetic components.
Moreover, the flexibility in material composition and design suggests that further refinements could lead to even better acoustic performance tailored to specific building needs. As the construction sector seeks to innovate in response to environmental concerns, the potential for integrating such living materials could redefine how sound management is approached in modern architecture.
The study not only highlights the innovative use of mycelium but also paves the way for a new era of materials that align with eco-friendly practices. As the industry moves towards a more sustainable future, the development of these composites could lead to a significant reduction in waste, promoting a circular economy within the construction sector.
For more details on this research, you can visit the Sustainable Materials Laboratory at EPFL.
