Can the cement wall be painted directly?

Just spray it with ordinary latex paint for two or three times. In addition, it is suggested that this kind of wall surface should not be whitewashed directly as far as possible, because its surface is uneven and covered with dust, which is very easy to cause potholes and paint film peeling on the wall surface, and the cement wall surface contains alkalinity, which is easy to be alkalized if the top coat is directly painted.

How to brush the cement wall?

1, the steps of painting the cement wall

Before construction, the base of the wall should be handled well to ensure the surface is clean and dust-free, and then the cement wall should be plastered, smoothed and scraped again. Finally, seal it with primer to ensure the firmness of future use, and make it up with putty, which will make the wall more clean and flat.

2. Paint the cement wall to ensure the quality

In the process of construction, the most critical process is the treatment of grass-roots units. For the construction of the wall, it is necessary to ensure complete cleanliness. At the same time, the interior and exterior walls should be coated with special putty. Due to the different places of use, the functionality of the selected materials is also different. Generally, the exterior wall is coated with alkali-resistant primer, and the interior wall is coated with topcoat.

3, cement wall painting method

There are many brushing methods for cement walls, such as hand brushing, roller coating and spraying. In daily life, hand brushing is common, which saves paint and can avoid waste to the greatest extent, but the speed is slow. Although the latter two are fast, they waste materials.

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