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We should pay attention to all aspects of decoration, some small details can not be ignored, maybe we will encounter trouble in the later period. For example, many of my friends suffered a loss in the matter of caulking doors and windows. At that time, they were confused about whether to use cement or styrofoam to caulk. They heard that the cement caulking was stronger, but they didn't expect that for half a year, the doors and windows were cracked.
Is master wrong? You should have used styrofoam? Share with you today.
Cement joint filling is a more traditional way with low cost, but it is really strong and durable. So why do windows crack? Because the metal and cement of the door and window frame are made of different materials, the expansion joint will appear when the two materials are in contact for a long time.
Therefore, it is impossible to fill the gap with cement alone. Even if you want to use sealant to repair in the later stage, it will not help. In rainy days, the cracks will absorb water, which will cause the inner wall to be affected by moisture.
In addition, it should be noted that if the home is made of aluminum window frame, it should be used with caution. Because cement has a certain corrosive effect on aluminum products, when there are chemical reactions between them, there will be some "small pits" on the window frames.
Compared with the current use of styrofoam technology, many people think that the cement joint should be eliminated earlier! Is it true? Let's look down.
The texture of styrofoam is completely different from that of cement. Because of the material of the gel, it is very soft and elastic, and can fill the gap of the window frame better than cement. Secondly, its insulation effect is also very good, although the price is more expensive than cement, but do not worry about cracking!
The use of styrofoam, can be closely bonded with the window frame gap, so that there is no need to worry about the same as cement, gap water seepage. Moreover, styrofoam is also very convenient to use, which is more time-saving and labor-saving than cement.
In this, the master also reminded that styrofoam can not fill any gap. Whether the door and window gap can be filled with Styrofoam depends on the size of the gap.
The details are as follows:
① When the gap is less than 5cm, it can be filled with Styrofoam first (for outdoor windows, it is recommended to waterproof the outermost layer to prevent the styrofoam from being wet in rainy days)
② When the gap is more than 5cm, it needs to be filled with brick or cement
If the gap between doors and windows is not large, it is better to use styrofoam.
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