Second-hand housing is a property that has been prepared at the real estate transaction center, completed initial registration and general registration, and is listed again for trading. It is a commodity house in the hands of developers. It is a common name for the three-level market of real estate property rights transactions. Including commodity housing, used public housing (domestic reform housing) allowed to be listed and traded, rescue housing, demolition house, self-built housing, affordable housing, and price-restricted housing. The steps for the second-hand house painting are similar to those for the new house, including eight steps: the primary treatment, the brush interface agent, the leveling of the wall, the scraping of the putty, the grinding of the wall surface, the primer of the brush, the repair of the wall surface, Brush finish. Every step has its operating method and construction requirements. In the construction process of the brush wall, every step must be done in order to give the family a glamorous appearance. Now I will provide you with the steps and precautions for second-hand house painting .
What are the steps of second-hand house painting
Second-hand house brush wall paint step one: primary treatment
Remove the wall peeling and loosening, and make up with cement mortar. Cracked areas are generally covered with kraft paper tape and white latex. In general, non-load-bearing walls such as light walls and heat-insulating walls need to be patched, and wall cloths and white latex or mesh cloths with better textures should be selected as much as possible, and the anti-crack effect of the mesh cloths will be better.
Second-hand house brush wall paint step two: brush interface agent
The interface agent can enhance the adhesion to the base layer, avoiding the phenomenon of hollowing and shelling of the plaster layer, thereby replacing the artificial cutting hair processing, saving time and effort. When brushing the interface agent, be sure to brush evenly.
Step 3 of second-hand house brush wall paint: wall leveling
Uneven walls need to be leveled, and plastered plaster should be used to level the uneven walls so that the error on the wall does not exceed 3 mm. If the yin and yang angles are not straight, it is also necessary to use plastering plaster and straighten it with a ruler.
Step 4 of second-hand house brush wall paint: batch scraping
It is better to use putty with high grain fineness and hard texture. Putty should be approved three times. The first pass is generally thicker because it involves leveling the issue. The second and third time will be thinner, mainly to close the light, so that the wall looks smoother and smoother. After three batches are finished, the thickness of the putty cannot exceed 3mm, otherwise it is easy to crack.
Second-hand house brush wall paint step five: grinding
Grinding is a key step in the lacquer process. Polishing is good, and the final lacquer effect is good. Use fine sandpaper as much as possible. If the sandpaper is too thick, it will leave a deep sand mark. After polishing, you must thoroughly clean the wall to avoid too much dust, affecting the paint adhesion. The unevenness does not exceed 3 mm.
Second-hand house brush wall paint step six: brush primer
The primer must be evenly brushed to ensure that the walls are brushed in every place. If the walls have a large amount of paint to eat, it is best to add a little more water to the primer to ensure even brushing.
Step 7 of second-hand house brush wall paint: find putty
After polishing, there will be some embarrassment, which is difficult to see under normal circumstances. It will be obvious only after the paint is applied again. At this time, you will need to find a supplement. Pay attention to the repair must be polished smooth, and then use a little more water to add a bit of primer brush again, so as not to brush when the paint because of the different wall with the amount of water and a color difference.
Second-hand house brush wall paint step eight: brush finish
Do not add excessive amounts of water to the top coat, which will affect the thickness, feel, and hardness of the paint film. Try to choose a little better tool. Brushing mainly pay attention to the corners, the part of each roll and the direction of paint collection. Topcoat can be brushed twice.
Second-hand house brush wall paint trial considerations
1, paint easily calculate the amount of paint
Under normal circumstances, the total room brushing area (including the ceiling) = 3.5 × room use area. The amount of paint can then be calculated by dividing the total brushing area by the theoretical brushing rate per liter of the product.
2. It is indispensable for applying primer and protects the wall to save money
The use of primer is very important, it will make the substrate loose and uniform, can improve the coating rate of the topcoat, save the topcoat, the primer is much cheaper than the topcoat, which will in turn cost less. Secondly, brushing one side of the primer can help the top coat to increase the fullness of the paint film, making people feel fuller and more textured.
3, paint dilution should be appropriate
In order to obtain the ideal paint film, it is necessary to control the dilution ratio, up to no more than 30%, otherwise the paint film is too thin to ensure product performance and final results.
Second, pay attention to temperature and time difference
1, second-hand housing walls before the original house walls
(1) When the wall does not need to be removed
If your wall does not have any blistering, peeling or hollowing, it can be used as an early condition without eradication.
(2) The original wall condition
At the same time, what is the original wall of your house? If you are also a latex paint, you may not need to eradicate it, but if the original is the oldest way, it must be eradicated.
(3) The original wall experiment
Whether it is roller brushing or spraying, the effect on the original paint is very large. It is recommended that you use a damp cloth with water to stuff it on the wall for about two minutes. If the wall is still strong without any problem, then congratulations, you can directly Brush again, if it is blistering, then it is likely to cause the same problem when you spray it. In this case it is recommended that you brush the glue better.
Second-hand housing brush wall paint construction considerations
(1) Temperature on the day of brushing construction
Paint the temperature of the day, if the temperature is above 20 degrees, it is also relatively dry, then brush the wall paint twice a day is OK, but pay attention to the interval time, the general interval to more than 2 hours;
(2) Humidity on the day of brushing
Humidity in the air, if the humidity is high, or rainy weather, it is recommended not to paint, to prevent the film from absorbing water blisters;
(3) The number of brush wall construction
If the humidity is moderate, the temperature is also suitable, you can brush twice a day; but also pay attention to separate brush and polyester paint to prevent reaction, resulting in yellow paint film;
(4) The color adopted by the wall
When the color of the paint in the home is more than two kinds, and the color of the roof and the wall is not the same, it must be brushed separately so as not to confuse the color and repeatedly wash the brush and waste the material.
Editor's summary: The above is the second-hand housing wall paint steps and precautions which used wall for "face" surgery related to the introduction, hoping to help meet the needs of friends! For more information, please continue to follow our website, follow-up will show more exciting content. You can also purchase more of your favorite products on Qijia Mall!
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