How to make the balcony waterproof

1, the balcony waterproof is first treated as the balcony base. First, the base is treated as solid, flat, clean and dust-free, and there are no sundries on the ground. If there are cracks and bumps, it can be repaired with cement mortar and plugging, so as to ensure that the base is fully wet and there is no Mingshui.

2. Choose waterproof materials suitable for the balcony, such as Lancome's flexible JS waterproof coating. This waterproof coating is water-based, environmentally friendly, harmless to the body, simple and convenient to construct, and more importantly, it has better waterproof effect. In addition, when using the balcony of sliding door, we should pay attention to the quality and sealing of sliding door. For southern families, it is more important to prevent rainwater from infiltrating when the rainy season comes.

3, waterproof layer construction and toilet, kitchen and other places, the most important thing is to be in place, the details can not be ignored, waterproof coating should be evenly brushed twice. In addition, in addition to the drain, but also to ensure that the ground has a certain slope to the drain, the low end is the drain. The balcony and living room should have a height difference of 2-3cm to prevent rainwater from flowing backwards.

4. Waterproof protective layer is also indispensable. Waterproof layer needs to be protected with cement mortar or tiled. Because the balcony window is not waterproof when it is installed, rainwater can easily stay in the window frame from the guide rail, including the drainage hole on the window frame is blocked, and it is easy to flow into the room. When decorating, special attention should be paid to the sealing and waterproofing of windows after installation. Later, it is also necessary to regularly check whether the drainage holes of balcony window frames are blocked.

The roofs of many old communities are flat-topped, and the sewers may be blocked by some plastic bags and bird's nest, which may cause short-term showers. When the rainfall is heavy, the drainage is not smooth, which is very easy to cause water accumulation, which affects the users on the top floor. In this case, before the rainy season comes, the property can be inspected on the roof to eliminate hidden dangers.

6, balcony air conditioning pipes, smoke exhaust pipes, etc. , through the outdoor pipeline, when punching, try to have an outward slope to prevent water from flowing backwards. A rain cap can be installed at the outdoor outlet of the smoke exhaust pipeline, and a check valve must be installed to prevent rainwater from flowing in through the pipeline.

7. The balcony floor drain should be kept unblocked, and the drainage capacity of the floor drain should be tested. If there is much rain and the drainage capacity of the floor drain is insufficient, it is easy to accumulate water and even enter the living room. The balcony floor drain is caused by the problem of the main pipe, especially the problem of poor drainage on the first floor or the pipe itself. If it is found in normal use, it is necessary to find out the reason, otherwise it will be prone to problems if it rains for a short time.