1 Definition of Home Waterproofing

Home waterproofing refers to the prevention of leakage or seepage of water or rain parts in bathrooms, kitchens, pools, balconies, and indoor roofs. At present, we are mainly doing the waterproofing of the bathroom and the kitchen in the home decoration. The newly-built building has been waterproofed and passed the acceptance inspection at the time of completion. However, why do we need to do waterproofing in home decoration? There are mainly the following reasons:
1) Concerns about the quality of construction projects. Although the building was waterproofed at the time of acceptance, people are generally concerned about the current project quality and durability.
2) During the second renovation, the original waterproof layer (kitchen and kitchen) may be damaged. The current renovation of the hydropower is very large, as well as the cutting process, will destroy the original waterproof layer.
3) Cracks occur after long-term use of the building. After long-term use of the building, various cracking deformations are likely to occur, resulting in the destruction of the waterproof layer.
4) The reason for security. Fear that if leakage occurs, it will cause neighborhood disputes and even economic compensation.

2 home waterproof material selection

1) The type of home waterproof

At present, the waterproof materials sold on the market are mainly coated waterproof, flexible and rigid waterproof, flexible waterproof mainly two-component polymer waterproof coating, polyurethane waterproof coating, acrylic waterproof coating. Rigid waterproof is mainly composed of polymer cement waterproof mortar and two-component waterproof mortar, ie the ratio of emulsion to mortar is 1:4. Its characteristics are not detailed.

2) Waterproof material requirements:

- Environmental protection. It is the first requirement for home decoration materials.

--Multifunction. Modern home waterproof materials have: waterproof, anti-mildew, anti-corrosion and other uses.

--Convenient construction. Because most of the waterproofing is commissioned by the decoration company, construction must be simple and convenient.

3) The difference between waterproof and moisture-proof

Take the bathroom as an example: The ground is a place that often meets water. The wall is almost a tile, usually a large brick gap, and the gap is getting smaller and smaller. The wall will only meet water when it is showered, usually only about 1 hour. Personally think that the wall of the bathroom is mainly moisture-proof, and the main purpose of waterproofing is to prevent dampness outside the bathroom wall.

4) Mistakes in the selection of waterproof materials

- The softer the better. When people talk about waterproofing, the subconscious and intuitive perceptions are mostly limited to the application of flexible materials. Leaving the flexible material, waterproofing is not achieved or the more flexible the better the waterproof effect. However, flexible materials are relatively "passive waterproof, passive waterproof." Personally think that the current waterproof has entered a "heavily flexible, light and rigid," "retreatment, light treatment of the root."

-- Judging quality by color. At present, some companies in the market have introduced waterproof materials that are colored after construction and widely publicized, but the quality of products should be judged mainly by their technical indicators rather than color.

-- Do not consider it comprehensively. The waterproof effect of the traditional coating waterproof material of the bathroom is better, it belongs to the flexible surface layer waterproof, its own strength is relatively low, the tile adhesive can not be well bonded with the waterproof layer, the self weight of the tile and tile adhesive can cause the ceramic tile Shedding phenomenon. Figure 2, Figure 3. Scientifically use flexible materials to use local talents to "make the best use of their materials and make the best use of them." Conversely, inappropriately exaggerating the performance of flexible materials is also very harmful.

- Do not pay attention to breathability. Waterproof materials not only have to be waterproof, but also have air permeability in order to improve the waterproof effect and life.

5) The correct choice of waterproof material

Personally think that there is no waterproof material is omnipotent. A single flexible waterproof coating or a polymer rigid waterproof mortar alone has certain drawbacks. Most of the current flexible waterproof coatings are thin waterproof coatings. Although they have good extensibility after finishing, they are easily damaged by man-made objects because of their limited thickness. If an object is pierced through the waterproof layer, it will cause leakage. Polymer cement mortar overcomes the disadvantages of other organic waterproof materials and follow-up materials, such as stickiness and insufficiency, which makes the waterproof layer more durable and durable. The polymer cement waterproof mortar has simple requirements for the base surface, does not require leveling layers for the base layer, and the wet base layer can also be constructed, which can shorten the construction period. After waterproofing, there is no need to do a protective layer. As long as the mortar layer is completely cured, it is not afraid of blemishes, blemishes, collisions, flaking and wear.

Therefore, individuals believe that in the kitchen and bathroom pipeline roots and Yin Yang angle and other structural parts using flexible waterproof, the current pipe is no longer a traditional cast iron pipe, flexible waterproof coating choices to bond with the PVC pipe more firmly. For the facade structure is mainly the role of moisture, rigid waterproof material can be used mainly at the same time conducive to the paste ceramic tile.

3 How to determine the family's waterproof

1) When waterproofing the home, the color of the waterproof layer should not be used as the basis for selection. The color does not represent the quality of the product. The effect of waterproofing should be determined by the thickness of the waterproof layer (the number of times the brush is applied).

2) The current acceptance of the waterproof construction is observed through a 24-hour closed water test, not only to observe whether there is water leakage, but also to observe changes in the waterproof layer after water exposure, such as blistering, softening, and adhesion to the grassroots. The phenomenon of poor junction strength, there is a great deal of hidden dangers.

3) The node processing is in place. The parts that are prone to leaking are mainly the details such as the internal angle, the roots of the upper and lower water pipes, and the floor drain.

In short, in the home waterproofing, “fitness is the best”, and different waterproofing should be adopted according to the construction site and environment, not only improving the durability of waterproofing, but also reducing the cost. The adoption of a new concept of "combination of hardness and softness and prevention against exclusion" will become a development trend.

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