This study reveals improved thermal stability and compressive strength in rice husk composites, suggesting a sustainable insulation alternative.
Building materials made from horticultural and modern waste are gaining traction in structural design due to their sustainability and ease of use. This study explores biodegradable composites made from rice husk, wheat husk, wood fibers, and fabric waste strands, combined with a PBAT/PLA binder processed by hot pressing. The PBAT/PLA binder bonds better with wood and fabric fibers than with wheat and rice husks. The composites show thermal stability up to 250°C, compressive strength of 11–40 MPa, and flexural strength of 0.8–2.25 MPa, suitable for construction. Rice husk composites have a low density (378 kg/m³), good insulation (thermal conductivity 0.08 W/mK), low water absorption (42%), and remain durable after 24 hours in water, making them excellent insulation materials. The Eco Shield Rice Husk Insulation builds on this by producing high-performance insulation from rice husks, reducing waste and offering a sustainable alternative to energy-intensive materials like fiberglass and polystyrene. Its manufacturing process lowers environmental impact through reduced energy use and emissions while supporting a circular economy by converting waste into valuable resources. Computational methods optimize the design, enhancing the system’s overall efficiency and cost-effectiveness
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S et al. (2025) studied this question.
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