Building waterproofness detection device

The utility model discloses a building waterproofness detection device, which comprises a detection box, two groups of detection cabins and a waterproofness detection mechanism, the detection cabins are arranged in the detection box, and the waterproofness detection mechanism is arranged in the detection cabins; the waterproof detection mechanism comprises a hot-air blower, a temperature sensor, a spraying assembly, a fixing assembly, a placing plate, a humidity sensor and an adjusting assembly, the hot-air blower is arranged on the top wall of the detection bin, the temperature sensor is close to the hot-air blower and is arranged at the top of the detection bin, and the adjusting assembly is arranged on the inner side wall of the detection bin and is located below the hot-air blower. The placing plate is arranged on the inner side wall of the detection bin, and the fixing assembly is arranged on the placing plate. The utility model belongs to the technical field of waterproof performance detection of buildi