Lively festivals are coming, but if the water is improperly handled, water leaks, water accumulation, and mildew on the walls will greatly damage the mood of the festival and bring economic losses to the family and neighbors. Home improvement waterproofing is one of the important aspects of decoration, and its quality directly affects the “water problem” after the stay.

Most of the renovation of new homes will require hydropower renovation, which will destroy the waterproof layer made by the developers. In the second renovation, consumers often need to re-lay the floor tiles in the bathroom, which will also cause damage to the original waterproof layer.

Xu Meng, manager of Dongfang Yuhong Marketing Department, said that the cost of waterproofing is not much, that is, using the best waterproof materials, please use the most skilled workers. The current market price is about 60 yuan-100 yuan per square meter, which only accounts for the overall decoration. About 1% of the cost. If it is not waterproof, if there is a leak in the bathroom and the kitchen, water will leak into the downstairs in the floor, affecting the neighborhood, which may cause serious property damage and legal disputes. If you refill the waterproof after you check in, the cost is about 3-5 times before the renovation.

Yu Dong, manager of Tiansheng Decoration Engineering Department, believes that waterproof engineering does not directly "see the ceiling" like ceilings, walls and floors. Many owners put most of their energy into the design, blindly pursuing beauty, but not paying attention to the long-term. Use features. In addition, if inferior waterproof materials are used inadvertently or if they encounter untrained construction workers, the waterproof and leakproof effect of the house is difficult to guarantee.

â– Waterproof details

1, the first level of processing

Before the waterproof construction at home, the base layer must be treated to achieve a smooth, solid, clean, no floating ash and oily surface.

Treatment method: carefully clean the base surface to remove floating dust, and remove cement agglomerates and loose base layer; special treatment is applied to the roots, drainage holes, yin and yang angles, and the voids left after the hydropower reform of the wall surface. After the treatment, use a brush to finely sweep the remaining dust on the base surface, dilute the appropriate amount of waterproof coating to the milk, use the roller to draw the diluted material to the bottom, and then apply the waterproof surface behind the wall to completely remove the dust.

2, brushing should be comprehensive

In addition to the bathroom that must be waterproof, some families also introduce waterways into balconies, basements, etc., while homes that use floor heating need to pipe the water on the entire floor, so these flood-prone areas are It is necessary to do waterproofing.

Treatment method: For the buried water pipe in the wall, the groove larger than the pipe diameter should be cut, the groove should be plastered, and the waterproof coating should be brushed. If the original drainage and sewage pipes and floor drains are changed during the renovation, it is necessary to strengthen the waterproof measures in the surrounding area.

3, bathroom waterproof height 1.8 meters

Generally, the shower or the nozzle is installed at a height of about 180 cm. If the waterproofing is low, the long-term spray causes the water to soak into the wall, which will cause the wall to be mildewed, the wall decorative layer coating or the tile to peel off, and thus the waterproof effect is not obtained. .

Treatment: Non-shower wall In principle, the waterproof coating should not be lower than 35 cm. However, in order to enhance the waterproof effect, it is recommended that the consumer be uniform to 180 cm. In addition, for lightweight wall and self-built lightweight wall for toilet room renovation, it is recommended to have a waterproof height to achieve the top. Waterproof coatings must be brushed to the national acceptance specification of 1.5 mm thick.

â– Waterproof inspection

24-hour water shut-off test in the bathroom

After the completion of the hydropower transformation, it will be waterproof immediately. To test the effectiveness of the waterproofing, it is mainly through the closed water test.

The water shut-off test is usually carried out after the last time the waterproof coating is applied for 12 hours, after the waterproof coating is firmly combined with the original structure of the base layer. For specific operations, it is necessary to seal the door and the drain. The floor of the bathroom is filled with water to a height of 3-5 cm, and the mark is made. If there is no obvious drop in the water surface within 24 hours, there is no leakage on the roof of the house downstairs. Waterproof is qualified. If the acceptance is unqualified, the waterproof project must be redone and re-inspected.

Lightweight wall watering test

The waterproofing acceptance of the lightweight wall should be tested by water spray. The water pipe should be sprayed continuously from top to bottom for 3 minutes on the wall surface of the waterproof coating. After 4 hours, observe whether the other side of the wall will seep. If there is no penetration, the wall waterproof construction acceptance is considered qualified.

â–  Tips

Waterproof layer damage must be protected

After the waterproof layer is completed, it is necessary to continue to apply the tiling on the top. It is often easy to cause damage to the waterproof layer. If the damaged portion is not repaired or found, it will cause leakage in the future, so it is necessary to apply a protective layer.

Usually, the cement is added with the interface agent and then added with a rigid waterproof material to evenly coat. The strength of the mixture is higher than that of the general concrete material, and the rigid waterproof material is added at the same time, so that the waterproof can be foolproof.

Kitchen and balcony are also waterproof

Because the kitchen utensils will overflow with water to varying degrees when washing vegetables in the kitchen, it is easy to cause water to leak along the gap of the floor drain, resulting in water leakage, so the kitchen also needs to be waterproof. It is generally recommended to turn the kitchen floor and wall up to 30 cm for waterproofing. It is best to turn over 150 cm on the wall where the sink is placed. Because the exposed balcony is exposed to the external environment, it must be waterproofed to prevent water such as rain and snow from seeping downstairs.

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