Foundations are the backbone of any structure, transferring loads safely from the building to the ground. Choosing the correct reinforcement size is essential for ensuring stability, durability, and safety. Among various options available, the 12mm steel bar is one of the most commonly used reinforcement bars in foundation construction due to its ideal balance of strength, flexibility, and cost-effectiveness. 1. Ideal Load-Bearing Capacity The 12mm steel bar offers sufficien