Exterior wall coating enterprise ability to meet the job do you have ( 3)

Exterior wall renovation construction method 1, construction technology, clean surface, fill the cracks, local blow be bored with child, sand, blow be bored with child completely for the first time, sand, and a second blow be bored with child, completely sand, coating seal primer, the first intermediate coating layer with the second intermediate coating, paint besmear first level, second level paint, until meet the requirements of 2, construction environment, construction temperature of not less than 5 degrees, had better be in more than 10 degrees, especially the shadow; Relative humidity is not higher than 85%. Rainy or windy day 4 class above should stop the construction. 3. Coated with alkali resistant seal primer primer. 4. Construction process, the barrel cover tightly, prevent the exterior wall coating crust. Exterior wall coating coating process such as pause, should be timely dip brush or roller coating, coating and rinse with water immediately after the completion of all appliances. 5. You can use the roller, spray and brush. 6. The next step of construction can only be conducted after the last layer of latex paint film is dry. Brush should be cleaned before the final layer of paint film. Dry coating and hardening is a process through the evaporation of water of physics. Therefore, higher humidity of the air or low temperature delayed coating drying and hardening time. Under the condition of 25 ℃ and relative humidity of 50%, more than 2 - coating time 3 hours. 7. Maintenance cycle: more than 5 days, 250℃) , low temperature should be relatively longer. Exterior wall coating renovation is a more specialized job. Is different from the new wall construction, puts forward higher requirements on quality, pay more attention to exterior wall coating coating process. Only in strict accordance with the process, and is rich in practice experience, we can make a good project. Once mastered the technology and key points of management, renovation of the old buildings can give a person a kind of the feeling that find everything new and fresh.