When people do home renovations, they often think of using high-grade paint. In fact, high-grade coatings do not necessarily achieve high-grade coating, while for high-grade coatings, high-grade coatings only have a small impact. Then, in addition to the paint, what influences the painting effect is more important than the paint? That is the coating of the base material - "putty".
There is an old saying in the painting industry: “Three-point face, seven-point bottom.†The meaning is that the surface layer material plays only 30% of the mass, while the base material plays a role of 70%. In general, the role of the base material is mainly firm, smooth and smooth. On this basis, the role of the surface layer material is mainly "coloring", that is, to give the surface color, to beautify the decorative effect.
If the base layer is very good, even if the surface layer is made of medium-grade material, it is similar to high-grade coating; on the contrary, if the base layer is very poor, even if the surface layer is high-grade material, it can only be made in the middle and low-grade coating. Therefore, when decorating the home, in addition to paying attention to the choice of topcoat, it is more important to choose high-quality putty. What kind of putty is considered a high quality putty?
First, the bond is firm
At present, most decoration companies still use the original method to prepare putty. The putty prepared by this method is not accurate, the measurement is not accurate, the adhesion is very poor, and it is easy to appear peeling and falling off.
Second, smooth and delicate
Generally, the coating formed after the film is formed into a film has only a few tens of wire thickness, and thus the smoothness and fineness of the putty layer directly determines the smoothness of the surface of the coating.
Third, good water resistance
Water resistance is often an important indicator to determine the quality of putty. The water-resistant putty also has good adhesion not only under mildew and damp conditions, but also helps the film on the surface of the paint.
Painting precautions
Base surface treatment:
1. New wall: Make sure that all dust foreign matter is brushed off or scraped off. It is also necessary to ensure that the walls are free of salt, alkali, oil and ridges. Cover all adjacent walls during construction to avoid being sprayed. All cracks and spalls should be filled and leveled. It is recommended to first seal with an anti-mite primer before formal application.
2, the old wall: This product is applied to the old wall, we must ensure that the wall base is firm. When applying the first coat, first wash the wall with a soda aqueous solution, brush it clean, and apply it after it is dry.
Note: For more complex foundation construction, in order to ensure the best results, it is best to coordinate with the coating supplier and design the corresponding construction plan according to the actual situation.
Construction method: When the spraying is completed by the spray gun and the compressor, make sure that the spraying area is not covered beforehand. Roll coating is performed by a series of decorative rollers to complete various texture patterns. This product can be applied to the wall with a steel trowel, and the final pattern effect can be achieved with a wet plastic smooth roller or a plastic trowel.
Construction environment: The suitable temperature for construction is 5-40 degrees Celsius and the humidity requirement is below 90%. The wind speed should be less than 6 m / s when spraying, and the air compressor should be more than 6 kg.
Features: Use a batch of knives, rollers or spray guns to apply a smooth or textured product. The texture is rich, the color of the painted surface is long lasting and the color is gorgeous.
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