- Build a continuous 100mm high iron concrete foundation at the foot of the brick wall, and the door is 50mm high, and then build the brick wall on the foundation surface;
-Build a continuous 100mm high iron concrete foundation at the foot of the brick wall, 50mm high at the door, and then build the brick wall on the foundation surface;
-Build a continuous 100mm high reinforced concrete foundation at the foot of the brick wall, with the foundation at the door 50mm high, and then build the brick wall on the foundation;