发布时间：2019-03-01 15:48:16 发布来源：http://www.jundazhuangshi.com
After a period of decoration of the new house, there are often such problems as cracks in the wall, non-drying paint, loss of luster and so on, which make the original beautiful home stained. Painting construction is not only troublesome, but also need more detailed topics. How many of the most common problems are home decoration painting?
One of the topics of home decoration painting: paint peeling
It may be that the appearance is too smooth. If the original paint is glossy or powdery (with untreated paste paint), the new paint will not stick well in appearance. It may be wood decay or metal rust spots, or peeling due to poor paint quality. Small areas of paint peeling, you can first use fine sandpaper polishing, then put on putty, brush primer, and then re-paint. A large area of peeling must be scraped off and re-painted.
Topic 2: Paint blistering
Firstly, the bubbles are punctured. If water comes out of the mobile phone application development, that is to say, there is moisture infiltration under or behind the paint layer. When the water evaporates into vapor after sunshine, the top of the paint will bubbles. At this time, first remove the foaming paint with hot air spray gun, let the wood dry naturally, then brush the primer, and finally re-paint the entire repair surface. If there is no water in the bubbles, it may be wood grain cracking, with a small amount of air inside. Once the sun shines, the air expands, and the lacquer skin rises. Faced with this situation, first scrape off the foaming paint, then fill the cracks with resin filler, re-paint, or no filler, after scraping off the paint, directly coat with micro-porous paint.
Topic 3: Cracks in Home Decoration Painting
In most cases, chemical paint remover or hot air spray gun should be used to remove the paint and then re-paint Liaoning Personnel Examination website. If the fracture range is not large, then use sand block or wet sandpaper to dip in water, grind the broken paint, after polishing smoothly, apply putty, brush primer, and re-paint.
Topic 4: Paint Flow
If the paint is brushed too thick at one time, it will flow. But before the paint is dry, brush the paint with a brush. If the paint has begun to dry, it should be thoroughly dry. Use fine sandpaper to polish the paint surface and smooth it. Brush the appearance clean, then wipe it with a wet cloth, and then re-coat the outer paint. Do not brush it too carefully.
Topic 5 of Painting Home Decoration: Spots
There are many reasons for the stain on the surface of the paint. For example, the water in the latex paint dissolves the substance on the wall and rusts out the paint surface, the wall surface wiped with steel wool will produce rust spots, the leakage of the hidden pipe in the wall will appear stains, etc. In order to prevent stains, a layer of primer containing aluminium powder can be brushed first. If stains have appeared, the latex paint on the stain can be removed first. After brushing the primer containing aluminium powder, the primer can be repainted.
Topic 6: Mould and discoloration
This problem often occurs in wet paint appearance, such as water vapor condensation in the glass or metal appearance often produces brown-black stains. At this time, fungicides can be used to shave the mouldy parts according to the instructions. After the moulds are killed, the appearance will be cleaned and then re-painted.
Topic 7 of Painting Home Decoration: Losing Gloss
The reason is that the primer is not applied, or the primer and the inner paint are directly varnished before drying. The effect is that the varnish is absorbed by wood and loses its luster. The poor quality of varnish is also a reason. Use wet and dry sandpaper to rub off the old paint, brush off the dust, wipe off the appearance with a clean wet cloth, and then brush the paint again after drying out. To be particularly meticulous, paint in a very low temperature environment, paint film dry, may also lose luster.
Topic 8 of Painting for Home Decoration: Wrinkle of Paint Film
Usually it is caused by the second brush before the first paint is dry. At this time, the solvent in the base paint will affect the upper paint film and make it wrinkle. In this case, chemical mercury remover or heating method can be used to remove wrinkled paint film and re-paint. Remember, you have to wait for the first time to dry out before you can go on the second time.