How to deal with wall efflorescence on wall surface
There are some problems in our house for a long time. For example, the wall of the pan-alkali will appear. There are many reasons for this problem. We have to solve the problem for different reasons, so that we can completely solve it. Then, how to deal with the surface of the pan-alkali? What are the reasons for the wall of the pan-alkali? If you want to know, let's take a look at the small series of the decoration home network. First, how to deal with the wall surface 1. According to reports, the inner layer of the skin layer from the inside to the outside is the cement plaster layer, putty layer and topcoat layer, the wall is resistant to alkali, the most core part of the work of removing alkali is the cement plaster layer and the putty layer. The layer, "Anti-alkali No.1" is specially designed for the two layers. The combination of the high-efficiency anti-alkali cleaning solution and the separation layer directly fuses the alkali component on the surface of the cement plaster layer, and the cement base micro-holes are riveted. The formation of a strong protective film; at the same time the use of high-efficiency anti-alkali insulation layer for double insurance, strong prevention and elimination of wall surface basal alkali, yellowing, whitening problems, in addition to alkali, anti-alkali effect is stable. 2. Thoroughly clean the wall. Use a shovel to shovel all the putty putty, and all the loose shovel can be shoveled; use the wire brush to brush all the alkali scale and floating ash on the surface; pour the alkali group AB group together, stir evenly, then brush On the cleaned wall, use your wrists when brushing to ensure no gaps are left; Second, the reason for the wall surface efflorescence 1. Because the outer wall joints are cemented with cement fine sand mortar, the waterproof effect is poor; the surface water (or wet) invades the stone board along the wall or mortar layer; the water is sprinkled too much for the reasons of the installation, so that the water invades the stone. The plate is dissolved in Ca(OH)2 and other salts into the stone capillary to form a pan-alkali. It can be seen that water is a solvent and carrier for efflorescence substances. 2. The root cause of the wall and its decorative surface is the failure of the wall moisture barrier or the absence of moisture barrier. Due to the failure of the moisture barrier of the wall, the moisture in the ground rises along the capillary channel in the wall and evaporates from the surface of the wall. The soluble salt and alkali in the soil and the wall will dissolve into the water. When the water evaporates, the dissolved salt and alkali will crystallize on the surface and near the surface of the wall. When crystallized, its volume will slightly expand, so it will be in the wall. Crystalline expansion stress is formed at the surface of the body and at the near surface . 3. Substrate Alkalinity: The coating film is made of high alkali cement because the substrate is too alkaline or the foundation is a saline-alkali foundation, or the quality of the putty is too poor. The closed primer has poor sealing properties and is not resistant to water and alkali. There is too much water inside the wall and it escapes through the surface of the outer wall. The outer wall finish paint has poor resistance to rain and water, and a large amount of rainwater penetrates. After the rain has passed, the water vapor evaporates outward. The decoration of the house is very important. If the decoration is not good, there will be problems when living. What are the reasons for how to deal with the efflorescence on the wall? Look at the introduction of the above series. Everyone knows about these problems. If you still want to know more about decoration information, please continue to pay attention to the decoration home Internet cafe. More related wonderful reading: How to deal with the wall surface? Causes of wall efflorescence
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