In a significant stride towards sustainable construction, researchers have developed a novel approach to producing gypsum plasterboard by incorporating industrial waste, offering a promising solution to reduce environmental impact while maintaining structural integrity. The study, led by Rosana M. R. Mol of the Department of Civil Engineering at the Federal University of Ouro Preto (UFOP) in Brazil, explores the potential of quartzite waste (QW) and fiberglass waste (FW) in enhancing the thermal and mechanical properties of gypsum boards.
The construction industry is a major contributor to global waste, generating approximately 45% of the total. This research, published in the journal *Construction Materials* (translated from Portuguese), addresses this pressing issue by demonstrating the viability of using industrial by-products in building materials. “The incorporation of quartzite and fiberglass waste into gypsum plasterboard not only reduces environmental impact but also enhances certain properties of the material,” Mol explained.
The study identified the optimum formulation, dubbed MQ-20, by replacing 20% of the gypsum with quartzite waste. This modification resulted in a 30% reduction in flexural strength compared to traditional boards, yet the modified boards still met regulatory standards. Notably, the MQ-20 samples exhibited lower thermal conductivity, indicating superior insulation properties. “The reduced thermal conductivity of the modified boards suggests potential energy savings in buildings, which is a significant advantage for the energy sector,” Mol added.
One of the most compelling findings was the improved fire resistance of the modified boards. The inclusion of QW and FW reduced the size and number of cracks, enhancing structural stability at high temperatures. This attribute is crucial for safety and durability in construction, offering a robust solution for fire-prone areas.
The research highlights the potential for industrial waste to be repurposed into valuable construction materials, paving the way for more sustainable building practices. “This study provides a foundation for future research aimed at developing sustainable building materials with enhanced functional properties,” Mol stated. The findings could influence the construction industry to adopt more eco-friendly practices, reducing waste and improving energy efficiency in buildings.
As the world increasingly focuses on sustainability, this research offers a practical and innovative approach to addressing environmental challenges in the construction sector. The integration of industrial waste into building materials not only reduces waste but also enhances performance, setting a new standard for sustainable construction. With further research and development, this approach could become a cornerstone of green building practices, shaping the future of the construction industry.