Fly ash bricks are an eco-friendly alternative to traditional clay bricks, made from fly ash a byproduct of coal combustion—combined with cement, lime, and water. These bricks offer advantages such as durability, moisture resistance, and thermal insulation, making them suitable for various climates. Their production helps in repurposing industrial waste, contributing to environmental sustainability. For a comprehensive understanding of fly ash bricks, including their benefits and manufacturing process, refer to the detailed article by Chhikara Builders.