When decorating our own house, everyone did not know to consider the interior of the decoration, and the outdoor is not overlooked by everyone. When we choose the exterior wall decoration, it is the outer wall putty. So everyone knows what problems we need to pay attention to when we put the exterior wall putty construction? Many people don't know it! Today, Xiaobian will take a look at the construction method and construction precautions of the exterior wall putty !
External wall putty construction method
1. The base layer treatment first removes dust and other adherents on the surface of the base layer. Larger depressions are smoothed with polymer cement mortar. And when it is dry, the smaller holes and cracks are repaired with cement latex putty. When the wall surface is brackish, use zinc sulphate solution or dilute hydrochloric acid solution to scrub. The oil is washed with detergent and then washed with water.
2, brush bottom glue (except wood and painted surface) If the wall surface is loose, strong absorption, you can use the roller to evenly paint one or two times on the cleaned base layer (acrylic emulsion or water-soluble building glue) Add 3 to 5 times water to dilute Serve), do not leak coating, and can not be painted too much to cause runny or accumulation.
3, after the local filling of the putty base layer is dry, use putty to find the unevenness, dry and smooth. The finished putty should be evenly mixed before use. When the putty is thick, the water can be adjusted according to the amount.
4, full putty put the putty on the pallet, with a trowel or scraper like a scraper, first up and down. According to the situation of the base layer and the decoration requirements, apply 2~3 times of putty, and the putty should not be too thick. After the putty is dry, it should be sanded in time, and the wavy shape should not be ground, and the wear marks should not be left. After the grinding is completed, the floating ash should be removed.
External wall putty construction precautions
1. The influence of construction temperature: Usually, the latex paint in the outer wall putty needs to be constructed above 5 degrees Celsius, and a few must be above 10 degrees Celsius. In the cold winter, only the highest temperature at noon can reach the requirements of external wall putty construction. However, the temperature is low in the morning and evening, so the construction personnel do not pay attention to adjust the construction time in time, and the coating film on some construction walls will not be good.
2, the impact of construction humidity: the impact of construction humidity on the construction of the external wall putty, often ignored by many construction teams, but when the humidity is greater than 85% or the wall is still wet after the rain, it is not possible to carry out exterior wall painting construction.
3, the impact of the bottom layer treatment: In the construction of the outer wall putty, in addition to the construction humidity is not taken seriously, the bottom layer treatment will also be one of the easily overlooked problems, the most common is the use of low-strength putty, affecting the coating The quality eventually causes damage to the entire coating.
When we are working on the external wall, we need everyone to understand the outdoor floor treatment, and it is also important to learn how to do it. The above is the construction method and construction precautions for the exterior wall putty introduced by Xiaobian today. I want to know more information, please continue to pay attention to the decoration home.
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