One, latex paint rolling
1、What is a roller brush?
Latex paint rollers require manual operation. Common materials include "rollers, brushes, and flat paint brushes." For large areas, the brushes are typically used first. Small areas or areas where colors meet are then finished with flat paint brushes for detailed work.
2、Advantages of roller application
① The paint film applied with a roller will be relatively thick, resulting in a textured and aesthetically pleasing finish. It is also durable and easy to clean, providing a protective layer for the wall surface.
② The tools are simple and save on paint. Additionally, the color variations with the roller are minimal, making it easier to repair later if needed.
③ If there are small cracks on the wall surface, using a roller can effectively cover them.
3、Disadvantages of using a roller
①There is a risk that workers will cut corners and use less material, adding more water than recommended (the typical ratio is 20-30%). This can easily lead to powdering, sagging, and uneven surfaces, making it difficult to repair the walls later.
② There are also requirements for the operating level of workers. Inexperienced workers frequently make mistakes, resulting in issues such as brush marks, sagging, and uneven surfaces.
II. Latex paint spraying
1、What is spray coating?
Spraying is a technique that uses a sprayer to apply the material. It requires skilled workers and specialized equipment. There are two main types: airless spraying and air-assisted spraying.
2、 Advantages of spraying
① The wall surface, after being brushed, can form a uniform and smooth coating. It has a good texture and does not show any brush marks when viewed with the naked eye.
② It has a fast application speed and wide coverage. Compared to roller application, it can save more than 50% of the time and cost.
③The corners and gaps of the wall can also be easily painted, without the need for repeated coats.
3、 Disadvantages of spraying
① The total cost of spraying is higher than that of rolling, resulting in approximately 20% more paint waste. Additionally, the protective work requires significant labor, and the associated construction costs typically need to be factored in separately.
② Requires stringent environmental conditions. Spraying work can be significantly hindered if there are multiple colors on the wall surface.
③once the furniture is delivered, when you encounter areas on the wall that need repair, you cannot use a sprayer. Instead, you must use a brush, which will result in a noticeable color difference between the repaired and original wall surfaces.
Three. Which is better: latex paint spraying or roller application?
We recommend combining these two application methods for the best results. Applying the topcoat with spraying provides greater efficiency and ease of application for workers. For the walls, using a roller is simpler and more cost-effective. Additionally, applying the final layer of latex paint after all the main materials are installed allows for the treatment of wall imperfections and prevents color variations in the future.