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The bedroom wall is the largest indoor area and is the focus of home decoration. Among the many wall decoration materials, all kinds of latex paint applications are the most extensive. So how to choose the best latex paint for your home?
Classification of latex paint
Latex paint is a type of wall paint that uses water as a medium, an aqueous solution of acrylic esters as a filming substance, and paints made of a variety of auxiliary components.
Latex paints are water-based paints. They are mainly composed of five components: one is water; the other is emulsion, which is a kind of white glue and plays a role in adhesion; it is the core component of latex paint; third is pigment; four is Filler; Fifth, additives, such as anti-foaming, antifreeze and so on. The main cost of latex paint consists of the second and third types.
According to the use of points, there are two main categories of latex paint: exterior wall paint and interior wall paint, but they are all water-based. According to the gloss can be divided into low light, half light, high light and other varieties. Among them, the film-forming material of the interior wall latex paint is insoluble in water, the water resistance of the coating film is high, and no trace is left after the wet scrubbing. The basic performance of exterior latex paint is similar to that of interior latex paint, but the paint film is harder and has stronger water resistance. It can also be used in high humidity areas such as toilets.
★ Tips
It's not that the higher the price, the better. In the purchase of latex paint, should be a good cost-effective as a purchase standard, should choose the appropriate characteristics of the latex paint according to the different functions of the room. Such as the bathroom, the basement of the best choice of mold resistance is better, the kitchen, bathroom selection of stain resistance and scrub resistance better products; choose a certain degree of elastic latex paint, cracks on the cover, to protect the decorative wall effect. Because there is a very close relationship between the various properties of the coating products, and even mutual restriction, for the multifunctional products popular in the market, the single performance may not be outstanding, but the overall performance is generally better.
Latex paint features
(1) The coating film dries quickly. At 25°C, the surface can be dried in 30 minutes and completely dry in 120 minutes.
(2) Good gloss and color retention. The film is hard, smooth and smooth.
(3) Construction and modulation are convenient. It can be applied on the newly constructed wet wall.
(4) It is safe, non-toxic and does not pollute the environment.
(5) No fire hazard. Because the paint uses water as a medium, there is no danger of fire.
(6) The wall surface is not easy to absorb dust after use.
(7) Good alkali resistance. Apply to the plastered walls, ceilings, and concrete walls that are alkaline, not sticky, and not easy to change color.
★ Tips
The quality of latex paint is mainly determined by the quality of the emulsion. However, household latex paints are applied in strict accordance with the construction method. Good quality, after 5 years of interior wall paint, the adhesion of the emulsion will also fail; the adhesion of the emulsion will not be effective for about 10 years. Generally speaking, latex paint will not tell you these circumstances, so consumers should not think that latex paint is once and for all.
Purchase of latex paint
Buy latex paint according to their own needs to choose the right kind of paint, do not blindly pursue "advanced" or freeloaders. To know that the quality of the paint is related to the physical and mental health of the occupants, choose a quality paint that meets the national standard (GB). High-quality paint has strong adhesion, good stain resistance, and is not easy to yellow, and it is tougher and durable than common paints. Therefore, high-quality coatings can maintain the best appearance for a longer time.
Check points:
(1) A look: See if the coating has settling or agglomeration. After a period of time, a thick, elastic oxide film will form on the surface of the genuine latex paint, which will not be easily cracked. The inferior product will only form a very thin film that is brittle and has a pungent odor.
(2) Two smells: whether there is smelly or irritating smell in the paint. Really environmentally friendly latex paint should be water-based, non-toxic and tasteless.
(3) Three rubs: A little paint can be applied to the cement wall. After the coating is dry, wipe it with a damp cloth. One hundred or two hundred times of real latex paint will not have a noticeable effect on the coating; while the low-grade water-soluble paint only wipes more than a dozen times, that is, the phenomenon of fading out of powder and exposed bottom occurs.
(4) Four touch: Mix the latex paint with a wooden stick and pick it up with a wooden stick. The high-quality latex paint will become fan-shaped when it goes down. Touch with your finger, genuine latex paint should feel smooth and delicate.
★ Tips
There is time to visit some building materials supermarkets to learn about the latest coating market conditions. Purchase before the holiday is more favorable. Many stores or manufacturers will choose to engage in promotions before the holidays, or launch new products. With the right timing, you can buy latex paint that is both cheap and satisfying.
DIY painting tools and methods
Nowadays, more and more families like their own DIY room and try their hand at giving the room a “new lookâ€. Then, pay attention to the following points when DIY painting.
There are three general brushing tools: brushes, rollers, and spray guns. Correspondingly, there are three commonly used methods: brushing, rolling, spraying. The painting sequence starts from the ceiling, then the walls, doors and windows, and finally the skirting board, window sill and so on.
Brushing: The most primitive and simplest and most common. The advantages are fuel-efficient, suitable for a variety of shapes and paint types. The disadvantage is its low efficiency and is not suitable for quick-drying paints. If the operation is not skilled, the paint film will produce brush marks, sagging, uneven brushing and so on.
Roller coating method: suitable for large area construction, high efficiency, but slightly less decorative properties. Select a roller with the proper bristle length so that paint does not accumulate at the end of the roller. From the edge of the ceiling, press the “M†or “W†shape upwards to roll to reduce splashing. After each painting, do not leave the wall to obtain a uniform, parallel film.
Spraying method: Suitable for painting high-gloss paint, because if you use the above two methods, it is easy to leave traces, resulting in uneven color effect.
No matter what kind of brushing method, you must pay attention to the use of primer, both to protect the wall and save money. Primer can make the substrate porosity uniformity, improve the coating rate of topcoat, saving topcoat. Primers are much cheaper than topcoats, which in turn will cost less. Secondly, brushing the primer again can help the topcoat to increase the fullness of the paint film, making people feel fuller and more textured.
★ Tips
(1) After the paint is bought back, the dilution must be appropriate. In order to obtain the ideal paint film, it is about 15%~20%. Please refer to the instruction manual for the specific situation.
(2) After brushing, remember to thoroughly clean the tool with clean water, so as to ensure repeated use.
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