In home renovation, wall lacquer is one of the main decorative materials used for walls, and occupies a large part of the entire home decoration area. In designer terms, it plays a decisive role in the room environment and decoration effect. . That wall paint is so important, as the owner should choose how to paint the wall?
1, know yourself know the wall paint classification performance introduction
The wall paint is the paint used in the construction of the wall surface, which plays a role in decoration and protection, and makes the wall more beautiful and clean. At the same time, it also protects the building wall surface and prolongs the service life. There are a large variety of wall paints on the market today that make consumers dazzled. As the saying goes, if you know yourself and know yourself and fight against each other, you must choose a wall paint for high quality and environmental protection. First, you need to have a detailed understanding of the wall paint. Otherwise, if you don’t know anything, go for the purchase and it’s easy to be fooled by some bad vendors.
2, wall paint classification four dimensions a variety of categories
Wall paint can be divided into different categories according to different standards. Specifically, it can be mainly classified according to the four dimensions of the substrate, the decorative effect, the use location, and the usage function. The four-dimensional arrangement produces a variety of coating categories. In general, the substrate and the area of ​​use are often combined to name the paint, such as solvent-based exterior wall paint, water-soluble interior wall paint, inorganic exterior wall paint, and so on.
3, common wall paint latex paint advantages
The paint on the market is mainly latex paint, and most household wall decoration mainly uses latex paint. Latex paint is a kind of organic paint, and it is a kind of water-based paint formulated by adding synthetic resin emulsion as base material by adding pigments, fillers and various additives. Compared to other wall coatings, latex paint is more environmentally friendly, and there is no danger of explosion and fire during transportation and storage. At the same time, it has the advantages of convenient construction, fast drying of coating film, good air permeability, and good water resistance.
4, to determine the basis of the four major performance indicators wall paint
Wall paint has a variety of indicators to determine the quality of its advantages and disadvantages. The following mainly lists the four indicators of the impact of mass, such as hiding power, adhesion, viscosity and fineness. By understanding these indicators of the paint, there will be a basis for checking the quality of the paint.
Covering power: refers to the minimum amount of lacquer that is used to evenly apply the paint to the black and white grid so that the black and white grid is no longer present, expressed in g/m2. The greater the weight is, the weaker the hiding power is, and the stronger the hiding power is, the less the amount of paint per unit area is used.
Adhesion: It indicates the adhesion between the coating film and the base layer, and the degree of fastness between the coating film and the coated surface through the combination of physical and chemical actions. The surface to be coated may be a bare substrate or a painted substrate. The wall paint with weak adhesion is easy to fall off, affecting the appearance of the wall.
Viscosity: refers to the viscosity of a coating and can be measured using a paint viscosity measurement instrument. Viscosity is an important indicator in the performance of a coating. It has a great influence on the storage stability, construction performance and film forming performance of the coating. If the paint is too thick, it will not be easily painted, but it will be too thin and easy to fall. Therefore, the viscosity of the paint must be controlled within a certain range.
Fineness: refers to the uniformity of the size and dispersion of the particles in the paint. Fineness size directly affects the smoothness, gloss, and water permeability of the coating surface. In general, the finer the paint, the more expensive it is.
Careful and careful wall paint buy five errors
There are a large variety of wall paints. Consumers often do not understand and are prone to getting into the wrong areas when they buy. They buy inappropriate products and waste money and delay construction. For consumers, when wall paints are purchased, they must be carefully identified and go out of the wrong direction.
Misunderstanding one, heavy price and neglect of quality
When many people buy wall paints, it is very easy to go into price and ignore quality mistakes. Some think that the higher the price of the paint, the better, so when it comes to choosing the most expensive to buy, but the experimental results show that this is not the case. The other extreme consumer is to save money. The lower the price, the better the time of purchase. This saves a lot of money, but the quality of the wall and the indoor environment in the future is worrying. Therefore, it is recommended that everyone consider the price as much as possible to pay attention to the quality of the wall paint, generally choose a reputable big brand.
Misunderstanding two, heavy packaging and ignore the inner
Consumers always look at its packaging when it comes to purchasing latex paint. This is very necessary. However, it should be noted that a good-looking coating does not necessarily have an inherently good quality. In order to attract customers, some manufacturers make a big issue on the packaging of products and deliberately exaggerate the performance of products. Therefore, it is recommended that consumers not only look at the product packaging, but also pay attention to other aspects, such as checking the product's detailed test list.
Myth 3: The color card is exactly the same as the color of the wall
Many consumers think that the color of the paint on the color card is exactly the same as the color on the wall. This is a misunderstanding. Because of light reflections and other reasons, after the walls of the room are painted, the color of the wall looks darker than the color card. The color the consumer sees on the color card and the actual color behind the paint on the wall are usually different. Therefore, it is recommended that consumers choose the color number that they like to be slightly lighter when selecting colors in the color card. If you like dark walls, they can be adjusted to the color of the selected color card.
Misunderstanding four, do not estimate the amount of paint in advance
Many consumers do not estimate the amount of paint in advance, and fear that they will buy less paint. This may cause waste of materials, increase the cost of home improvement, and the accumulation of too much paint will also have a certain impact on construction safety. Therefore, it is recommended that consumers must look at the area of ​​the construction area before construction to estimate the amount of material purchased. The simple method for estimating the amount of paint used is to coat the required amount of paint (L) = (wall area x 2.5)/paintable area per liter of paint.
Myth 5, odorless is environmentally friendly
Many people judge the safety of wall lacquer by smelling the odor. They think that low odor or odorless wall lacquer is environmentally friendly. This is a big mistake. Because odors can be achieved by adding flavors or using low-taste materials, odorless coatings are not all environmentally friendly and non-toxic. The most professional way of judging the environmental protection of wall paints is to see if their environmental indicators meet the standards. There are three key environmental indicators for wall paint: VOC, free formaldehyde, and heavy metals.
Different treatment of different space different wall paint
When purchasing a wall paint, it should be considered that different decoration functional areas require different paints. This can mainly be divided into different interior and exterior paint choices, and the choice of bedroom living room and kitchen bathroom paint should be different. Take a look at the different requirements for interior paint, exterior wall, bedroom living room, and kitchen and bathroom.
Different space to distinguish the purchase of exterior wall paint
The exterior wall refers to the wall that is arranged along the periphery of the building. Currently, there are several kinds of exterior wall coatings on the market.
Because the external walls directly face climate change, they must withstand the sun and rain, freeze-thaw cycles, dry and wet changes, harmful substances, and air pollution. To maintain and protect the exterior walls, exterior paints must have certain properties.
In general, the coatings used for the exterior walls are preferably water-resistant, light-fast, color-retaining, anti-pollution, anti-aging, and good adhesion. At the same time, they are also characterized by good freeze/thaw resistance and low film formation temperature. When consumers purchase exterior paint, they need to consider these aspects.
Different space different treatment interior wall wall paint purchase
The inner wall refers to the wall surrounded by the outer wall. There are several types of interior wall paints currently on the market.
The main function of the interior wall paint is to decorate and protect the wall surface to make it beautiful and tidy and create a comfortable living atmosphere. When consumers purchase interior wall paint, they should pay attention to the following points.
First of all, interior wall coatings have a direct impact on human health in relation to exterior wall coatings, and their environmental protection requirements are even higher. Second, the color of the interior wall paint must be rich, the coating is delicate, and the hiding power is better. In addition, defects in interior wall paint finishes are more easily exposed, which requires a better appearance of the paint and no sagging.
Different space to treat the bedroom living room wall paint to buy
Living room bedroom wall paint requires strong adhesion, fine texture, good resistance to differentiation and breathability. Consumers can choose to have a wall paint that is fire resistant, mold resistant, stain resistant, and easy to clean when purchasing.
Different space to treat the kitchen bathroom wall paint to buy
The kitchen bathroom wall paint should have good aging resistance, stain resistance, water resistance, color retention and strong adhesion.
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