Wall latex paint, whether it is sprayed, rolled, or brushed is better

Roller coating.

Roller coating is a relatively common construction method, the operation method is simple and easy to master, it is easy to achieve good results for occasions with many characteristic surfaces, and the practice is relatively simple, so it is recommended to use the method of roller coating. Spraying is better than rolling because of latex paint.

When spraying, in order to pursue a good effect, the proportion of water added by the workers exceeds the proportion specified by the manufacturer, which destroys the solubility of the paint, reduces the number of scrubbing resistance, and the film-forming thickness of the paint is also small, and the spraying can completely avoid this situation.

Precautions for wall latex paint.

For the old wall that needs to be repainted, if the old paint layer has cracked and fallen off, it is necessary to scrape off the original old paint layer, clean it up, re-polish the wall to make it smooth, and wait for the wall to dry before painting.

For new walls that have not been painted, the concrete and plastering layers usually have a high moisture content, so the walls must be dried for a period of time. If the wall is not completely dry, it is likely to cause the latex paint to bulge, discoloration, alkali blooming, peeling, etc.

The above content refers to People's Daily Online-Four steps to get the wall renovation Experts recommend not turning on the air conditioner during construction.

in the home renovation.

, the choice of paint is a key. But which way to do it is often asked to professionals, according to the decoration master, spray or roller coating which way is better?

Latex paint is now commonly used.

There are two kinds of construction: roller coating and spraying, both of which are carried out after the putty treatment has been completed.

There is so much difference.

Roller coating: The latex paint roller is a manual operation, and it is necessary to use the roller, row brush, flat paint brush, etc. For large-area wall construction, most of the drum construction is carried out by row brush.

If it is a small area or the junction of two colors, you should use a flat paint brush instead, so that the details can be handled better.

Spraying: Latex paint spraying is applied with a spray gun. The worker should hold the spray gun steadily, and the nozzle should be perpendicular to the wall, and the nozzle should be about 40 cm away from the wall, so as to ensure the effect of spraying.

If the spraying type encounters the junction of two colors, it is necessary to protect the finished product in the part that has been constructed, so as to spray another color to prevent the two colors from contaminating each other.

Differences: In addition to the difference in construction technology, the amount of latex paint used by these two construction methods is also different. Generally speaking, spraying will use about 20% more latex paint than roller coating.

From the perspective of the construction effect, as long as the construction is in place, the effect will be very good. If it is a small area of repair, the roller coating method will be simpler, and the whole wall reconstruction, spraying construction will save time. According to the decoration of your own home, choose what kind of construction technology should be used for the latex paint on the wall.

Wall latex paint, is it better to use "spraying" or "rolling"? I can't figure this out, and I spend money and suffer from it.

Most of the construction methods of paint have four types: row brush, stick brush, spray gun, and batch.

1. The row brush is the most economical material, but it is more time-consuming, of course, the slow work is still good, and the wall effect is flat in the end. Since the latex coating dries quickly, each brush surface should be completed as much as possible at one time, otherwise it is easy to produce joints. When brushing manually, you must start from a point and start in order, don't oil in the east and oil in the west, so that it is easy to miss the brush or the effect will be uneven and unsightly.

When brushing by hand, don't get too much paint, just won't fall off, otherwise it is easy to paint the wall and "cry".

2. The rolling brush is relatively ordinary in all aspects of the effect, and the degree of waste of latex paint is relatively strong, and the effect is not the best, but relatively speaking, this is a cost-effective construction method. When roller coating, in order to avoid roller traces, the lap width is 1 4 of the length of the wool roller, generally the roller is coated twice, the interval should be more than 2 hours in summer, and it may take more time in winter.

3. The effect of the spray gun will be better, and there will be granular on the wall, which is more natural, fast and time-saving, but it is not easy to repair. When spraying, the spray gun should be held steadily, and the distance between the nozzle and the wall should be 30-50 cm, not too close or too far. The spray gun moves regularly, and the horizontal and longitudinal S-shaped walls are painted.

In general, it should move at a constant speed between 400 and 600 mm per minute. It is necessary to pay attention to the consistent color and uniform thickness of the stubble parts, and to prevent leakage and flow.

Rolling wall latex paint is better, spraying, brushing has its benefits.

The wall should be painted with latex paint, and anyone who knows a little about decoration knows that there are two construction methods: roller brush and spraying. But which approach best meets the requirements of home decoration?

Recently, many people have privately messaged me about this question, and after listening to them, I found that the workers they hired have done it wrong, which is really foolish! But just to sum it up, to give you a heads up!

First of all, let's talk about what a roller brush is: roller brushes need to be operated by manual workers. The materials that are generally used are "rollers, row brushes and flat paint brushes".

When encountering a large area of wall, the construction will be carried out with a row of brushes first. When dealing with small areas or color junctions, you will use a flat paint brush for detailing.

Pros:

1. The paint film will be thicker with a roller brush, and the construction effect is very textured. Moreover, it is more resistant to scrubbing and can also form a layer of protection for the wall.

2. The tool is simple, and it is more paint-saving. In addition, the color difference of the roller brush is relatively small, and it is more convenient to repair it in the later stage.

3. If there are some small cracks on the wall, it can be covered more effectively with a roller brush.

Cons:

1. I am afraid that workers will cut corners and mix more water into the paint (the normal proportion is between 20-30%), so that it is easy to depowder, sag, and float in the later stage, and it will be very troublesome to deal with the wall at that time!

2. There are also requirements for the operation level of workers! There are often workers who do not have the process in place, and there are problems of brush marks, sagging, and potholes.

Let's talk about what spraying is: spraying is applied with a spray gun. Workers need to have professional technical level and equipment.

It is divided into two types: air spray and airless spray. Latex paint must choose the "airless spraying" spraying method, the sprayed paint film is relatively much thicker, and the construction effect is more ideal.

Pros:

1. The spray-brushed wall can form a uniform and flat coating. It feels good to the touch, and there are no traces of painting to the naked eye.

2. The spraying speed is fast and the range is large. Compared with roller brushes, it can save more than half of the time cost.

3. The corners and gaps of the wall can also be painted well, and there is no need to paint repeatedly.

Cons:

1. The total cost of spraying is high, and about 20% more paint is wasted than that of roller brushes. Moreover, the protection workload is large, and the construction cost is generally calculated separately.

2. High requirements for the environment. If you encounter a mix of colors on the wall, there will be a big disturbance in the painting work.

3. After the furniture enters the site, it is impossible to spray the machine when it encounters the place where the wall needs to be repaired. It can only be brushed with a brush, so that the repaired wall will have a significant color difference from the original wall.

What is the best way to do it?

For those who have used both processes, the effect and speed of spraying are much greater than that of roller coating. The roller has high requirements for the craftsmanship of the workers, and they are afraid of encountering blind workers!

Suggestion: the combination of the two is the most practical, and the effect is also the best! The top surface adopts the form of spraying, which is more efficient and convenient for workers to construct; The wall is in the form of a roller brush, which is not too complicated and more cost-effective.

In addition, workers can be allowed to make the last latex paint after the main materials are installed. In this way, the scratches and bumps on the wall can be dealt with, and the color difference problem can be prevented from being reworked in the later stage.

After the wall at home is ready, you can start to scrape putty on latex paint, and there are many ways to apply latex paint, which are divided into brushing, rolling and spraying according to the tool. Roller coating and spraying are more time-saving and more efficient than brushing, so how to choose between these two methods? What's the difference?

Roller coating latex paint needs to use rollers, row brushes, flat brushes, for large-area wall construction, most of the construction is carried out through rollers and row brushes. Latex paint spraying is carried out with a spray gun, and the spray head should be perpendicular to the wall, and the spray head should be about 40 cm away from the wall, so as to better ensure the spraying effect. In addition to the different construction processes, the amount of latex paint used in the two construction methods is also different.

Generally speaking, spraying will use about 20% more latex paint than roller coating. From the point of view of the construction effect, as long as the construction is in place, the effect will be very good. Roll coating is easier for small-scale repairs, and spraying is more time-saving for full-wall construction.

According to your own decoration situation, you can choose which construction process should be used for wall latex paint.

The tool used for roller coating is a roller. During construction, the drum is soaked in latex paint, so that the fluff of the drum is stained with latex paint, and then placed on the wall to roll coat. The effect and construction speed of the roller coating method mainly depend on the fluff of the roller, the deeper the fluff, the stronger the three-dimensional effect, and the thicker the latex paint coating.

However, the more latex paint is used, the lighter the fluff, which will affect the anti-rub effect of latex paint.

The tool used for spraying is an airless spray gun, which sprays latex paint directly by pressure. Compared with manual painting, the spraying method can be more uniform, leaving no brush marks, and the latex paint has better coverage, scratch resistance, and saves time and effort. It can also be used for corners, so this method has become very popular in the last decade.

The biggest disadvantage of this spraying method is that it is difficult to repair. If there is a bump or damage, no matter how it is repaired, there will be traces and it cannot be restored.

In addition, spraying consumes a lot of paint. For this reason, most merchants recommend us to use spray paint so that we can spend more money on more latex paint. Of course, if you add a lot of water to the latex paint, you can save paint, but the effect of rub resistance is poor.

1. The general rule of latex paint painting is from left to right, from top to bottom, first inside and then outside, first difficult and then easy.

2. The running speed of the paint brush should be consistent, and the force should be uniform to ensure that the brush is evenly applied.

3. When brushing, don't brush back and forth too many times to avoid blistering or leaving brush marks.

4. When painting the surface, it should be less painted, the action should be fast, and the thin brush should be repeated to prevent sagging.

5. Proper ventilation should be ensured at the construction site.

6. After brushing or resting in between, the brush should be immersed in solvent or washed and dried.

The latex paint roller brush is better.

Latex paint spraying method, it requires a relatively high technical level and equipment, so the cost is high, and some environmental restrictions are not conducive to spraying construction, it is easy to cause decoration damage, which is more inconvenient. The roller coating method, because it is manually operated, can save costs, but it needs to be combined with the craftsmanship of workers, so only a very professional construction worker is required.

Compared with the spraying method and the roller brush method, the spraying method is sprayed by a spray gun and controlled by the machine during construction, so the paint film will be relatively thin, and several painting processes are required to achieve better results, so it is more expensive to paint. Later maintenance is also more troublesome, and it is easy to cause large color difference. The roller brush method is different, it is more economical than spraying paint, and it is easier to repair later.

Latex paint is generally sprayed or rolled, spray or roll? In fact, at present, roller coating is a more common way to decorate walls. First of all, compared with spraying, roller coating saves the amount of latex paint, and it is easy to repair, and the color difference during repair is less.

But the shortcomings of this mode are also obvious, compared with spraying, the painting speed of roller coating is slower, the corner position of the wall is difficult to paint in place, the consumption of labor cost and time cost is larger, and is very affected by the operation technology of construction personnel, if the operation is not skilled or mistaken, the paint film is easy to produce roll marks, sagging, uneven painting and other phenomena.

To sum up, you can choose to roll or spray according to your needs.

Spray a little faster, save time, and there are no roll marks.

Is it better to spray or roller paint for latex paint? In fact, it mainly depends on the individual's housing decoration needs and preferences. The main differences between the two are as follows:

1.Latex paint spraying usually uses an airless spray gun, through the air pressure inside the spray gun directly sprayed out of the wall decoration tools, the sprayed latex paint is foggy, can be more evenly attached to the wall, and is better absorbed by the wall.

2.The tool used for latex paint roller coating is a roller rather than a spray gun, among which, the common types of rollers are: long-haired rollers, medium-haired rollers, short-haired rollers, wool rollers, etc.

If the amount of latex paint is sufficient and the construction area is larger, it is recommended to choose the spraying method, which can be evenly sprayed to every corner, and it is more appropriate to use the roller coating method.

Roller coating is more common, and the efficiency of spraying is relatively high, and it is suitable for large-area construction.