The material of aluminum alloy baffle is 6063-T6, and the specifications are divided into 200 * 30, 200 * 35 and 200 * 100. The main function is to cooperate with aluminum alloy column to build a solid fortress. The sealing material between baffle and baffle is EPDM. The part in contact with the ground is PE waterproof sponge, which can be compressed to compensate for the uneven ground of water retaining part.