I said it before:
The exterior wall is exposed to wind, rain and sunlight every day. Over time, water leakage will occur. During the rainy season, once the exterior wall leaks, it will cause the indoor wall to be damp and wet. Mildew, in severe cases, can cause the wall skin to fall off. So what is the cause of water seepage in the exterior wall? How to solve the water seepage in the exterior wall? Below, Xiaoxiu will briefly introduce the relevant content to you, hoping to help you.
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What is the reason for water seepage in the exterior wall?
1. When the house was being built, the cement mortar for the wall plastering layer was not prepared according to the standard proportion. , causing the hardness of the cement mortar to change. When the cement mortar dries, shrinkage and cracking will occur, causing wall leakage.
2. The bonding force between the exterior wall bricks and the mortar at the bottom of the wall is not strong, resulting in hollowing. In addition, the joints of the wall bricks are not tight enough, resulting in blisters or cracks, causing water leakage.
3. During the construction of the window sill, some details were not properly handled, such as the slope of the window sill, the drip groove and the olecranon, which caused rainwater to penetrate into the wall on rainy days, causing water seepage on the wall.
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4. The last one is the poor sealing of various pipes passing through the wall and the holes left in the wall for installing air conditioners, causing leakage in the exterior wall. water.
How to solve the water seepage caused by external wall leakage
1 and cracks, first remove the decorative layer at the seepage location, then rinse it with clean water, and then use the prepared cement mortar to repair the cracks at the seepage location. After the cement mortar is dry, It is necessary to apply a layer of waterproofing on it, and finally restore the wall decoration layer at the leaking location.
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2. The most direct way to solve the problem of water seepage in the exterior wall is to re-waterproof the exterior wall. This can completely solve the problem of water seepage in the exterior wall, but this method is time-consuming. It is laborious and the capital investment is relatively large, so it needs to be carefully considered.
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3. If the details of the window sill are not properly handled, water leakage can be treated with expanded cement mortar and waterproof material , prepared in a 1:1 ratio. , helps to form an organic composite grid structure, which can completely block the gaps in the mortar, thus achieving the purpose of preventing seepage.
4. For water seepage caused by holes in the wall, you can use foam glue to fill the gaps. The foam glue will expand in volume and can also be waterproof and insulated. The excess foam glue can be scraped off with a knife and then leveled with putty.
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is said later:
The above content is a detailed introduction on "What is the cause of water seepage in external walls? How to solve water seepage in external walls?" I hope it can be Help everyone. In life, if you encounter the problem of water leakage in your house, you must detect the specific cause of the leakage and then repair it. Do not deal with it yourself, so as not to turn a small problem into a big one, and the more you repair, the more leakage will occur. It is recommended that everyone Find a local regular maintenance company for repairs.
Warm reminder:
1. Remember not to believe in short videos, van body advertisements, etc.
2. When looking for a business with a fixed store, you can check the operator’s qualification certificate. It is best not to look for a mobile house leak repair construction team.
3. Before construction, the quality and price of repair materials can be communicated and confirmed.
4. You need to sign a contract with the maintenance master to protect your legitimate rights and interests.
5. Keep construction records, transaction vouchers, construction personnel information and other bills for later rights protection.
