Pricing of raw products - lime, cement, petcoke and aluminium powder also currently in favor of AAC blocks as compared to clay bricks. Fly ash has become the important Uncooked materials for AAC blocks. In India, a lot of thermal electric power plants create loads of coal squander (fly ash); https://aacbricksplant86171.dailyblogzz.com/28482804/the-definitive-guide-to-aac-bricks-plant