Abstract: When the owner changes windows or closes the balcony, due to improper operation, rainwater will penetrate into the room through the window or the connection between the window frame and the outer wall. Some of the lower part of the window or the middle part of the water is not glued, or the glue is not beveled, causing the water to seep into the room.
First, the window
When the owner changes windows or closes the balcony, improper operation may cause rainwater to penetrate into the room through the window or the connection between the window frame and the outer wall. Generally can be divided into the following situations:
The dripping water is destroyed: there are dripping water in the window opening. When the balcony is remodeled, some owners will move the window out and press it onto the drip, and the rain will enter the window frame and the wall. From the upper part of the window Dive in.
>>Solution: Add drip sputum at the hole (through connectors or rubber drums, etc.) so that the water can be discharged smoothly.
The seal is not strict: some of the lower part of the window or the middle part of the water is not glued, or the glue is not beveled, causing the water to seep into the room.
>>Solution: It is best to wait for the rainy season to pass, and then re-apply after the water vapor in the window frame is drained. Because water vapor will not only affect the sizing effect, but also affect the life of the glue. During the installation, some walls have depressions. Workers will suggest that the depressions should be treated by smearing cement. Although it can achieve a certain waterproof effect, it has little effect. He suggested that the depression should be filled with glue and then the concrete bevel.
The drainage hole is blocked: the bottom of the plastic steel window is provided with a drainage hole, but it will be blocked if it is not noticed during installation. In case of heavy rain, the water stored in the window frame will seep from the installation expansion bolt.
>>Solution: Check whether the window is connected by means of inflating the plug. If it is temporary, it can be used to seal the glue. After the rainy season, it will be re-applied. If it is under the fixed glass, after the rainy season, the glass will be opened, and the water in the window frame will be cleared and then re-applied.
TIPS: It is recommended that when installing the window, the connecting piece at the bottom will not damage the inner sash and will not cause water seepage.
Second, the sun room
The sun room on the roof can cause water leakage if it is not in place. The problem will focus on the following aspects:
The connection between the sun room and the roof: the joint between the top of the sun room and the original building wall is not waterproof and can cause water leakage. Xu Ning also pointed out that if the top floor owner builds a sun room, it may damage the roof surface waterproofing during the construction of the frame, resulting in a water seepage accident.
>>Solution: Only after the end of the rainy season, add a waterproof coil on the top, one on the wall, one on the top of the sun, to play a certain waterproof effect. The correct construction method is to install a sun room, slot the original wall, inlay the top of the sun room into the wall, and then waterproof 20-30 cm above the sun roof.
The splicing of the sun roof material: the roof of the sun room is not sealed by different material materials, which may lead to water leakage.
>>Solution: Water leakage can only be solved by glue. During the construction, when the color steel plate is spliced, it is better to lap the other plate and not glue it after splicing to avoid water leakage.
TIPS: Waterproof can't rely on waterproof glue only, it can only play a role in auxiliary sealing. The glue will age during use, and its useful life is between 3-4 years, and the replacement cost is high. Experts emphasize that reasonable structures should be used to avoid water leakage during design and construction.
Third, decoration
Xiao Bian learned that there were fewer accidents caused by rain and water leakage caused by interior decoration. In order to avoid the pain of water leakage, the waterproof expert has proposed some items that must be checked when decorating.
The outer roof balcony is paved with bricks. If the waterproof layer is damaged when the tiles are laid or the original waterproof material is poorly deformed, it will cause water leakage. Want to solve the need to re-waterproof. The correct construction method is to do a water shut-off test before laying bricks, and then find that the waterproofing is no problem, then lay the bricks; after the bricks are finished, do the water shut-off test.
Some owners of the window sill choose to decorate the marble when decorating, and expand the inner window sill. At this time, pay attention to the drainage slope. The sill stone should be tilted outward to prevent drainage indoors when it rains.
Kitchen and bathroom developers generally do not have a waterproof layer when constructing the exterior wall. During the renovation process, it is best to check the exterior wall for voids. Once you see some of the remaining construction holes in the wall that are covered with cement mortar, you must waterproof the hole to avoid further damage. First, clean the original filling of the construction hole, plug the material into the plug, and make a waterproof coating on the inner hole.
When the air-conditioning hole is in the air-conditioning hole, it must have a slope that slopes downwards. The difference between inside and outside is 2-3 cm, so that the rainwater is not poured into the room, and some unused air-conditioning holes should be closed.
The pipe mouth and air duct of the kitchen and outlet of the pipe mouth must be carefully checked during the renovation to see if there is any trace of water leakage. Also check the pipeline for leaks when inspecting the house. Because these openings generally lead to the roof, if there is leakage, it must be repaired after the roof is repaired.
>>TIPS: If water leakage occurs, it is recommended that the owner not go to the outside waterproof company privately. It is best to find a waterproof professional team or a civil construction unit through the property. Once you have handled it yourself, you may be responsible for shirking your situation. Owners also do not buy waterproof materials privately, they may buy the problem materials, and they cannot clarify their responsibilities once they have problems.
Fourth, the outer wall
The external wall refers to the situation where the owner's family lives on the top floor or has a wall that is mildewed, watery or even dripping after the rain. This situation generally belongs to the problem of the external wall surface structure itself, the outer wall waterproofing is not in place or the waterproof material is aging.
>>Solution: Generally speaking, the quality of waterproof engineering has a 5-year warranty period. If the water leakage occurs within the warranty period, the construction unit will provide a free warranty. If there is a problem, the owner's economic loss will be compensated. The waterproof material generally has 30 years of service life, if the pipe has been modified on the roof or outdoor waterproof, it should be leaked after a long time in 5 years. In case of water leakage, the owner needs to request the property warranty, and the property company will use the maintenance fund to manage it.
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