To ensure the quality of building exterior wall coating construction, not only the appropriate exterior wall coatings should be selected, but also some matters needing attention during the construction process: (1) Only the coordination and compatibility of the construction environment and coating construction conditions are guaranteed. In order to ensure the construction of exterior wall coatings for construction, the precautions for the construction of exterior wall coatings
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To ensure the quality of building exterior wall coating construction, not only must the appropriate exterior wall coating be used, but also some matters needing attention during the construction process:
(1) Only ensure the coordination and compatibility of the construction environment and the coating construction conditions, so as to ensure the construction quality and construction effect of the construction of the exterior wall coating. Therefore, in the process of construction, pay attention to the selected coating. The requirements of the variety, clear the use of the paint and the film formation temperature and characteristics of the paint, fully grasp the conditions of the paint construction, to ensure that the paint construction conditions are consistent with the construction site environment (2) before the construction of the exterior wall paint, first Repair and clean the construction wall surface, and cover the parts that do not need to be constructed to prevent pollution.
(3) The moisture content of the coating base layer will affect the adhesion strength of the coating and the base layer, causing the biting phenomenon. For this reason, the coating construction should control the moisture content of the coating base layer to about 5%.
(4) In order to prevent the cracking and peeling of the coating on the external wall of the building due to the uneven surface of the wall, it is necessary to add 107 cement cement putty to the uneven wall to increase the strength and avoid cracking and peeling.
(5) When carrying out the coating construction, pay special attention to the temperature at which the coating is applied to form a film. The temperature should be controlled at 5 to 12 °C to ensure the normal film formation of the coating and to ensure the strength of the coating film. For this reason, in the case where the temperature is too low, such as winter, it is preferable to stop the paint construction of the exterior wall of the building.
(6) In the process of coating construction, attention should be paid to prevent the occurrence of anti-alkali phenomenon on the wall surface. Once the wall anti-alkali phenomenon occurs, it must be neutralized with 10% phosphoric acid solution, and then neutralized with water. The wall is cleaned and the paint is applied after the wall is naturally air-dried. Henan Yulin Paint Factory: Provide you with the above information! Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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