Paint paint purchase construction Raiders three strokes six potential easy to get

When it comes to paint (decoration renderings), it looks very common at first glance. If you look deeper, it's actually not because it looks the same, so you have to pay attention when you want to buy a good product. And specific to the construction process, it is very particular about.

buy:

The most important thing is to buy the packaging: lift the paint bucket and shake it. If there is a crackling sound, it means that the packaging is seriously lacking, and there are two shortages, and the viscosity is too low. The formal factory is really real and can hardly hear the sound. .

Respond to an estimate of the amount of use: purchases should be made at the same time to avoid the slight color difference of the purchased paint.

Choose the same brand: primer and topcoat are best to use the same brand or matching paint to prevent chemical reaction between primer and topcoat.

Construction sequence:

1. Remove dust and dirt on the surface of wooden products and lines (wood base).

2. Trimming the burrs on the surface of the wood substrate, lifting the flaws, etc., and polishing with a sand leather to make the corners neat.

3. Use oily putty (or transparent putty) to scrape, polish, refill and putty after putty (when using varnish, first make up brown eyes, nail holes, and do local color repair work).

4. Apply the paint over the first pass, refill the putty, remove the surface dust after polishing.

5. Apply the second pass of the paint. After polishing, remove the surface dust and perform water milling with the sand skin to repair the hanging oil.

6. Apply the third pass of paint until the desired result is achieved.

Construction methods: brush, roller, and spray have different lengths, and they should be taken separately.

The roller coating is suitable for large-area construction and is more efficient than brushing, but it will have a fish-like skin effect. This method of construction is unpopular for those who do not like pockmarks. Moreover, roller coating costs nearly 20% more material than brushing, artificially increasing the cost.

Brush painting is manual brushing and is a commonly used construction method. The advantage of the brush coating method is that it saves paint, the tool is simple, the construction is convenient, it is easy to grasp, the flexibility is strong and the adaptability to the paint variety is also strong, and it can be used for general paints.

However, the disadvantage of the brush coating method is that the manual operation is labor-intensive and inefficient, and it is not suitable for quick-drying paints. If the operation is unskilled and the action is not rapid, the paint film will produce brush marks, sag, and uneven brushing defects. .

Spraying is divided into two types, one is air spraying and the other is high pressure airless spraying.

Aerated spray leaves a lot of air bubbles on the wall. Although the construction speed is fast, the effect will be poor. It is not recommended for indoor use.

High-pressure airless spraying has just begun to become popular in China in recent years, but in foreign countries, high-pressure airless spraying of interior and exterior latex paints has long been widely used. The specific construction method is to use a special high-pressure airless sprayer (fitting renderings) to deliver the high-pressure paint to the spray gun through a high-pressure hose and release the pressure through the spray gun to form an atomization, thereby forming a smooth and dense wall surface. coating.

Identification of construction quality tips

The simplest and most practical method is to use a flashlight to shine along the wall. Under strong flat rays, any cracks or bumps are visible at a glance.

Brush Paint Note:

1, wall stickers: In order to prevent cracks on the wall, non-load-bearing wall must be patched.

2. Wall lining: Wall lining is an alternative product to 821 putty and is a material that must be used on the base of the wall.

3, primer: primer moisture, mold, must first brush the primer, after the brush finish.

4, color: In accordance with the building materials market, the color card to choose paint color, the best choice for the color than the color card, the actual brushing effect is what you want.

5. Spraying: The effect of spraying is better than worker's hand brush, but it is more expensive.

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