Waterproof board for engineering

The utility model discloses an engineering waterproof plate which comprises a plate body, vertical plates are arranged at the two ends of the bottom of the plate body, sliding grooves are formed in the opposite surfaces of the vertical plates, sliding blocks are connected into the sliding grooves in a sliding mode, a filter screen is installed between the sliding blocks through screws, and a fixing plate is arranged at the bottom of one side of the filter screen. And a fixing screw rod is mounted on the top surface of the fixing plate through a reserved threaded hole. According to the waterproof plate for engineering, the filter screen is attached to the inner bottom of a drainage channel, and the bottom of the fixing screw can be inserted into soil at the inner bottom of the drainage channel, so that the filter screen is fixed to the end of the plate body, impurities in liquid are prevented from entering the drainage channel covered by the waterproof plate, and the impurities are prevented from blocking the