Fly ash bricks have several advantages over traditional red or clay bricks:
1. Strength and Durability: Fly ash bricks have higher compressive strength and durability than red bricks, making them more suitable for construction projects.
2. Environmentally Friendly: Fly ash bricks are made from fly ash, a byproduct of coal combustion in power plants. This helps manage this waste product, reducing environmental pollution and making fly ash bricks more environmentally friendly than red bricks.
3. Cost-Effective: Fly ash bricks can be more cost-effective than red bricks. They have lower water absorption and require less mortar in brickwork and plastering, leading to cost savings.
4. Uniform Size: Fly ash bricks are usually uniform in size, which makes construction faster and easier.
5. Thermal Insulation: Fly ash bricks provide better thermal insulation than red bricks, which can help keep buildings cooler in hot climates.
6. Less Soil Erosion: The production of red bricks requires the excavation of top soil, leading to soil erosion. On the other hand, fly ash bricks are made from industrial waste, thus preserving the top soil.
However, it’s important to note that the quality of fly ash bricks can vary based on the manufacturing process and the quality of raw materials used5. Therefore, it’s essential to source these bricks from a reputable manufacturer.