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    Home > Coatings News > Paints and Coatings Market > Common knowledge of paint: solutions to common problems in paint decoration

    Common knowledge of paint: solutions to common problems in paint decoration

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: paint is an important part of interior decoration, which is prone to some thorny problems

    In fact, as long as you find out the real cause of the problem and apply the right medicine, it is not difficult to have satisfactory results

    The following is to put forward solutions for the problems that are easy to occur in the paint, so that you can be more handy in the interior decoration

    Paint spalling It may be that the surface is too smooth

    If the original paint is glossy or powdery (with untreated paste paint), the new paint will not stick firmly on the surface

    Or the wood may be rotten or the metal may have rust spots, or the paint may be peeling due to poor quality Which is the price of Dajin diatom mud Recommended brief introduction: which is the price of Dajin diatom mud? How to buy genuine diatom mud? Guangdong diatom mud agent suggests placing a basin of cold water in the air conditioning room, so that the diatom mud wall can breathe effectively

    The feature of the breathing wall is obvious

    When the indoor air is dry, the diatom mud wall will release the absorbed water quickly Put it out to help regulate the indoor dry humidity

    It is suggested to place a basin of cold water in the air conditioning room, so that the wall of diatom mud can breathe effectively

    The feature of the wall that can breathe is obvious

    When the indoor air is relatively dry, the wall of diatom mud will absorb the water Paint Home News: paint is an important part of interior decoration, prone to some difficult problems, people are helpless

    In fact, as long as you find out the real cause of the problem and apply the right medicine, it is not difficult to have satisfactory results

    The following is to put forward solutions for the problems that are easy to occur in the paint, so that you can be more handy in the interior decoration

    Paint peeling may be caused by too smooth surface

    If the original paint is glossy or powdery (with untreated paste paint), the new paint will not stick firmly on the surface

    Or it may be rotten wood or rusty metal, or peeling due to poor paint quality

    If the paint on a small area peels off, it can be polished with fine sandpaper first, then smeared with greasy {todayhot}, brushed with primer, and then repainted

    The paint must be scraped off and repainted in case of large area peeling

    First of all, the paint blisters

    If there is water coming out, it means that there is moisture under or behind the paint layer

    After the sun, the water evaporates into steam, and the paint skin will be blistered

    At this time, first use the hot air gun to remove the foaming paint, let the wood dry naturally, then brush the primer, and finally paint the whole repair surface again

    If there is no water in the bubble, it may be wood grain cracking

    There is a small amount of air in the bubble

    When the air expands in the sun, the paint will bulge

    In the face of this situation, first scrape off the blistering paint skin, then fill the cracks with resin filler, paint again, or without filler, after scraping off the paint skin, directly apply microporous paint

    In case of cracks, chemical paint remover or hot air spray gun shall be used to remove the paint and then paint again

    If the fracture range is not large, at this time, it can be moistened with sand grinding block or dry and wet sandpaper to remove the broken paint

    After the surface is polished smooth, apply putty, brush primer and paint again

    The flow of paint

    If the paint is applied too thick at one time, it will flow

    The paint can be brushed with a brush before it is dry

    If the paint has begun to dry, it should be allowed to dry completely

    Polish the paint surface with fine sandpaper, brush the surface clean, wipe it with a wet cloth, and then apply the outer layer of paint again, taking care not to brush too thick

    There are many reasons for stains on the paint surface

    For example: the water in the emulsion paint dissolves the substance on the wall and rusts the paint surface, the wall surface rubbed with steel wool will produce rust spots, and the leakage of concealed pipes in the wall will produce stains, etc

    In order to prevent stains, a layer of primer containing aluminum powder can be applied first

    If stains have occurred, the {hottag} emulsion paint at the spots can be removed first, and the primer containing aluminum powder can be applied again

    Mildew and discoloration often occur on wet paint surfaces, such as water vapor condensation on glass or metal surfaces, which often produces brownish black stains

    At this time, fungicide can be used to treat the moldy parts according to the instructions in the manual

    After the mold is killed, clean the surface, and then paint again

    The reason for the loss of luster is that the primer is not applied, or the primer and inner layer paint are directly applied with varnish before they are dry

    As a result, the varnish is absorbed by wood and loses luster

    The poor quality of varnish is also a reason

    Use dry and wet sandpaper to grind off the old paint, brush off the dust, clean the surface with a clean and wet cloth, and then brush the paint again after it is completely dry

    Special attention should be paid to the fact that when the paint is applied in a low temperature environment, the paint film may lose luster after drying

    The wrinkle of the paint film is usually caused by painting the second time before the first time is dry

    At this time, the solvent in the lower paint will affect the upper paint film, making it wrinkle

    In this case, chemical mercury remover or heating method can be used to remove wrinkled paint film and repaint

    Remember, you must wait for the first coat to dry out before you apply the second coat

    The surface of a new paint is rough, usually because the brush is not clean or polluted by the surrounding environment

    It may also be that the paint is mixed with paint skin, which has not been precipitated and filtered before use, or the paint has been stained with dust when it is not dry

    In order to prevent the above problems, clean paint brush and paint barrel must be used

    Before using the old paint, be sure to filter it with paint filter paper or clean nylon stockings

    In addition, the painted surface should be covered with a cover or cardboard when the paint is not dry to prevent dust

    If the paint surface is rough, after it is completely dry, polish it with dry and wet sandpaper, wipe it clean, and then brush the paint again

    Pay special attention to that the paint brush must be clean

    The dark spots on the surface of the painted wood may be caused by the fact that the knots are not sealed before painting, and the resin seeps out of the knots when the knots are heated by the sun

    At this time, the paint can be scraped off with a scraper, and then polished with fine sandpaper to expose the wood joint

    Seal the wood joint with sealing paint, and then paint again after it is completely dry

    If the paint is not dry, the indoor ventilation is not good or the temperature is too low, the paint will dry slowly

    This is to open all doors and windows to promote ventilation, or put a heater in the room to increase the room temperature

    If it still fails to solve the problem, it may be that the painted surface is greasy

    The paint can be removed by chemical paint remover or heating method, and the surface can be completely wiped clean before repainting

    Stick the bug on the paint surface and try to remove the bug while the paint is not dry, and then touch up the surface with a little oil with a brush

    If the paint is starting to dry, wait for the film to harden completely, and then wipe off the bug, so as not to mess up the surface

    Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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