Continuous 39 °C, so high temperature can paint it?

For 39 consecutive days in Shanghai, it is really a hard-working renovation for owners and workers. However, the decoration still has to continue. Some people say that such a hot day is not suitable for painting. However, if it stops, it will delay the construction period. What should we do? In fact, the high temperature is not the same as not paint, as long as you grasp the skills and avoid the problems that may be caused.

In addition to temperature and humidity, paint construction should also pay attention to sun protection and wind protection. Strong sunshine in summer, prolonged sun exposure can easily lead to a rise in the surface temperature of the grass-roots layer, causing excessive evaporation of water or solvents, resulting in unsatisfactory film formation and affecting the coating quality. Summer is a typhoon-prone season with a lot of wind. Strong winds will accelerate the evaporation of water and dust, affect the filming effect and the cleanliness of the wall.

In addition to high temperatures and high humidity in summer, humidity conditions are also important for paint construction. In general, the optimal humidity for paint application is 60% to 70%. Lower humidity favors coating film formation, but if the humidity is too low, solvent-borne coating solvents may evaporate too quickly, and emulsion-based paints may dry too quickly, making the conjunctiva incomplete and affecting the wall effect.

Paint opens for use as soon as possible

No matter how stringent the packaging is, if it is opened, it should be used within one month. If it is not sealed after opening, it will easily lead to deterioration of the paint. Storage environment should be cool and ventilated, away from open flame power.

Do not paint for more than a few degrees?

The temperature is very important for the construction of the paint, because the drying and conjunctiva effect of the paint depends on the temperature and humidity, and the different types of paint film forming conditions and the requirements on the temperature are also different. Solvent-based paints should be applied at a temperature of 5 to 30°C, and water-emulsion paints should be applied at a temperature of 10 to 35°C. Overheated weather can cause the paint to dry too quickly, affecting the final results.

Construction of the wall surface in the summer will present the illusion that the wall has dried out. Prior to construction, construction personnel must ensure that the base of the wall is completely dry before proceeding to the next step. If the wall is difficult to dry due to high temperatures, you can use a dehumidifier to accelerate the wall drying. If the wall is not dare to be painted, it can easily lead to wall peeling and cracking.

Editing summary: Summer is not the best season for decoration, but summer also has the benefit of summer decoration. Owners should seek advantages and avoid disadvantages to ensure that their homes are properly decorated. If the weather is too bad, it is recommended not to consider the period of one or two months. After all, once you move in, you will have more problems.

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