Correct construction method of roof waterproofing

The correct method of roof waterproof construction is as follows: 1. Cleaning the roof: Before construction, the roof must be cleaned to ensure that it is clean, flat and free of oil, dust and sundries. 2. Do a good job of base treatment: coat the roof surface with primer to enhance the adhesion and waterproof performance of base. 3. Laying waterproof materials: After the grass-roots treatment, laying waterproof materials, such as waterproof coiled materials and waterproof coatings. When laying, pay attention to the smoothness and compactness of materials to avoid hollowing and foaming. 4. Do a good job of joint treatment: After the waterproof material is laid, the joint should be treated, such as sealing with waterproof glue and waterproof tape to ensure that the joint will not leak. 5. Do a good job of protective layer: After laying the waterproof layer, do a good job of protective layer, such as laying guard plates, bricks, tiles, etc., to protect the waterproof layer from external damage. 6. Do a good job in drainage system: After the roof waterproof construction is completed, do a good job in drainage system, such as installing drainage pipes and rain outlets. , to ensure smooth roof drainage. The above is the correct method of roof waterproof construction. It should be noted that the construction process should be carried out in strict accordance with the specifications to ensure the construction quality and waterproof effect.