Can the iron door be refreshed directly if there is old paint?

Yes, but it is best to remove the rust before painting. Otherwise, it will bulge after repainting.

It is recommended that users choose water-based paint. Water-based paint is more sunscreen than oil-based paint, and if you accidentally get on it, you can wash it off with water and soap. Remove the hardware from the iron door, use a screwdriver or electric drill to remove the handle and piggybackboard, and remove all other accessories, such as the door bottom guard or door knocker.

Apply two coats of paint to the door. After the first layer is completely dried, the second layer is brushed, and the paint may drip or be unevenly colored when using the roller, so the user needs to check carefully before the paint dries and deal with it in time. In order to easily brush the gaps in the door panel, it is best to use rollers of different sizes.

It is better to remove the rust first, before painting. Otherwise, it will bulge after repainting.

1. Remove rust and oil, and dust;

2. Check whether the welding place is desoldered, and if so, make up for it;

3. Brush a layer of anti-rust paint first.

After the anti-rust paint is brushed, it can be brushed with a topcoat that dries thoroughly, and it should not be too thick at one time.

It is best to use sandpaper, dry cloth dipped in a small amount of alcohol to wipe off, and then paint. The absence of rust means that the basic performance of the paint film is still there. Sanding is done to increase adhesion, remove stains, and reduce the surface tension of the original paint film.

To put it in layman's terms, if the paint film is too smooth, it is not easy to paint. It is possible to do without primer, but it is better to use primer.

Wipe the door clean with a rag, there are no stains, and the rust can be painted directly, because the previous color is also dark, so you have to brush it several times.

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The top coat can be applied directly. However, a local test brush --- must be performed to avoid biting the paint.

Buy an iron brush to brush it again and paint it.

Summary. How to maintain the wrought iron gate?

1. Dust removal should be carried out regularly, outdoor dust is flying, and a layer of floating dust will fall on the wrought iron facilities over time. It will affect the color of the wrought, which in turn will lead to the breakage of the wrought iron protective film. Therefore, outdoor wrought iron facilities should be wiped regularly, generally with soft cotton fabrics as well, not with relatively hard items to avoid damage to the paint.

2. Pay attention to moisture-proof, if it is only the general outdoor air humidity, you can generally rest assured that the rust-proof nature of wrought iron facilities. In case of foggy weather, wipe the water droplets on the wrought iron with a dry cotton cloth; In case of rain, wipe off the water droplets as soon as the rain stops. It is also necessary to pay attention to avoid contamination with acid and alkali chemicals as much as possible, otherwise the iron door is easy to be corroded, which will affect the appearance and service life.

3. Pay attention to the strength of the switch, when opening and closing the iron door, the force should be as gentle as possible, do not use force, so as not to damage the iron door parts, which will affect the service life of the iron door. Do not usually chisel the iron door with a sharp object, otherwise it will damage the iron door.

How to renovate the paint peeling off the iron door.

Dear, you can follow this step to renovate: 1. You can use sandpaper to polish the old paint on the iron door. 2. You can use the paint remover to dig the hole to deal with it, spray the paint remover on the door, let it stand for a while, and then wipe it with a rag.

3. It can be treated with paint thinner, apply paint thinner on the iron door, and then rinse the iron door with clean water.

How to maintain the wrought iron gate? 1. Dust removal should be carried out regularly, outdoor dust is flying, and a layer of floating dust will fall on the wrought iron facilities over time. It will affect the color of the wrought, which in turn will lead to the breakage of the wrought iron protective film.

Therefore, outdoor wrought iron facilities should be wiped regularly, generally with soft cotton fabrics as well, not with relatively hard items, so as not to damage the surface of the paint cracks. 2. Pay attention to moisture-proof, if it is only the general outdoor air humidity, you can generally rest assured that the rust-proof nature of wrought iron facilities. If the liquid is good in foggy weather, wipe the water droplets on the iron with a dry cotton cloth; In case of rain, wipe off the water droplets as soon as the rain stops.

It is also necessary to pay attention to avoid contamination with acid and alkali chemicals as much as possible, otherwise the iron door is easy to be corroded, which will affect the appearance and service life. 3. When opening and closing the iron door, the force should be as gentle as possible, and do not force violently, so as not to damage the parts of the iron door, which will affect the service life of the iron door. Do not usually chisel the iron door with a sharp object, otherwise it will damage the iron door.

Can paint be brushed on the iron door: Pro Paint can be brushed on the iron door Use an angle grinder to polish the first iron door, and the rust or old patent leather on it should be knocked off. Then start to mix the paint, because the paint will precipitate, shake well before opening, pour it into a clean container after opening, add one-third of the thinner, stir well and use.

Connect the air pump and the watering can with a gas wire, connect it and turn it on, and you can use it after the air pump is full, pour the adjusted paint into the watering can, tighten the lid, aim at the door, hold the handle tightly, and you can spray. In the spraying process, the watering can should be gently swayed from side to side, sprayed evenly, the watering can should be kept at about 20 cm from the door, sprayed at least twice, and the interval between the shirts should not be less than two hours. After the spraying is completed, the watering can should be cleaned with thinner.

Brush the paint on the iron door, pour the paint into the basin, pour sodium chloride into the paint basin to dilute the paint, otherwise the paint is too dry to use, and stir well with a wooden stick; The specific steps are as follows:

1. Pour the paint into the basin.

2. Pour sodium chloride into the paint basin to dilute the paint, otherwise the paint will be too dry to use.

3. Stir well with a wooden stick.

4. Paint the door with a brush.

5. The operation is complete.

Brush the iron door first, then apply paint and let it dry.

First method:

First use a metal shovel to shovel off the rust on the door, then use sandpaper to polish the door until smooth, after polishing, brush a layer of anti-rust paint with a paint brush, and then brush the paint after drying.

The paint of the first brush is poured into a bowl that is not used, and a small shot glass of gasoline or thinner is added to dilute and mix evenly, the paint brush is glued to the paint and then applied to the door, painted in the form of a cross cross, and then the paint on the door is brushed several times from left to right on the door, and then several times from right to left and right.

After each part of the door has been painted, use the brush to drag from the bottom to the top several times, and then from the top to the bottom several times, so that after a few times, gently drag the brush from the top to the bottom, and slowly drag it in order, when it feels like the brush can't be dragged for the first time. Then pour the unused paint into the jar and seal it, and put the brush in the water to completely submerge and soak.

The next day, shake the water off the paint brush and apply it again according to the above method. On the third day, just apply another layer of varnish. Varnish must be applied quietly with a new brush.

The second method:

First, use an angle grinder to polish the iron door, and the rust or old patent leather on it must be removed.

Then Bi Jian began to mix the paint, because the paint will have precipitation, shake well before opening, pour it into a clean container after opening, add one-third of the thinner, stir well and use.

Connect the air pump and the watering can with a gas line, connect it and turn it on, and after the air pump is full, you can make the hand rush to use, pour the adjusted paint into the watering can, tighten the lid, aim at the door, hold the handle, and you can spray.

In the process of spraying, the watering can should be gently rocked left and right, sprayed evenly, the watering can should be kept at about 20 cm from the door, sprayed at least twice, and the interval between the two hours should not be less than two hours. After spraying, clean the watering can with thinner.

It can be cleaned up as follows:

1. Sandpaper sanding. The easiest way to do this is to do a full sanding with sandpaper, but this is a waste of time and doesn't work very well.

2. Use paint strippers. Spray a special paint stripper on the iron door, wait for a while, and then wipe it off with a rag, which is very fast and thorough.

3. Use paint thinner. Use a rag dipped in paint thinner and apply it to the paint of the iron door, and then wash the dissolved paint with clean water.

4. Grinding with electric grinder. The paint on the door is sanded with an electric sander, and the door does not need to be polished too cleanly if it is renovated, and can be removed in a large area.

5. Flame removal. Use professional spray paint, bake with a flame to separate the paint from the iron door, and then remove it with a scraper.

1. You can use sandpaper to grind the paint off.

2. Use the paint remover to spray the paint remover on the iron door, and then wipe it off with a rag.

3. Use paint thinner, dip a little thinner with a rag and smear it on the iron door, and then rinse it with water.

Precautions for the construction of wrought iron gate paint.

1. The paint for the iron door can not be mixed together, and the thinner used should also use the same type of thinner as the paint.

2. The paint should be fully stirred before it can be used, and after stirring to a uniform level, it should be adjusted to the appropriate viscosity, and the dilution of the paint must be paid attention to. It should be mixed in strict accordance with the proportion, and it cannot be stirred according to your own mind.

3. If there is crust or some granular problems on the surface of the paint product, corresponding measures must be taken to avoid the problem of uneven paint film or jamming of the spray gun when painting in the later stage.

4. After the first coat is completed, you should wait until it is completely dry before you can start to paint the second coat, and ensure that each coat of paint can not be too thick. If the first coat of paint is not completely dry and the second coat of paint is applied, it is easy to cause false dry wrinkles.

5. Try to choose to paint the iron door in good weather. Because it is easy to paint the iron door in rainy days or humid weather, the paint is not dry or fake dry, and the iron door is easy to have the problem of paint patent leather or falling off during use. It can be more cumbersome and costly to repair.