How long can white lime powder blisters be used to paint the walls

This thing depends on the situation, mainly lime and water react to make hydrated lime.

Yes, you can see that it has almost turned white and precipitated. You buy some quicklime.

Come back, add water, strain through a fine gauze and make ripe lime. Note that quicklime will boil the water after adding water, so be careful of burns.

It's best to go to someone else's house to get some ready-made hydrated lime, because you don't need much, and lime generally won't give you a few kilograms to sell. If there are not many holes, add a small amount of water directly with hydrated lime, mix it into mud and stuff it into the hole, and scrape the surface flat. If there are many holes, you can fill them with coarse sand first, and then scrape the surface with lime plaster.

Then add a small amount of water to the other hydrated lime (subject to the fact that the wall can be whitewashed after mixing) and mix it into lime mortar.

Then paint all the walls with the same brush you used to paint the walls, and then paint them a second time when the walls are dry. Generally, a wall brush is brushed from beginning to end, and then it can be brushed from beginning to end for a second time. If the lime mortar is too thin, brush it a third time, or a fourth time, until the walls are whitewashed.

Generally white lime powder.

Add glue to paint the wall. Because the function of glue is to solidify the original wall, and then the topcoat is covered on the solidification layer, if there is no glue, the original problem will definitely appear after a period of time. Primer and glue play roughly the same role because the primer is putty powder.

After finishing, it is to close the putty layer and whiten the bottom, that is, to whiten the top before the paint to prevent the uneven white after the top coat is applied. Glue is used for coagulation and sealing. The steps should be like this, shovel off the original peeling place, and then use quick-drying gypsum or putty powder to fill the level, add some glue to the putty powder, depending on the cleanliness of the wall and the condition of the wall, see whether to apply primer, and finally paint it.

It's OK for a while, mainly to make mature lime, which used to be used like this, but it's not very safe and troublesome to do, you can add some glue.

Summary. Dear, the soaked white lime can also be brushed on the exterior wall after a long time. But it can't be more than 10 days, and the effect is not so good after that.

Lime to soak about 20-35 minutes can be brushed wall, lime soaking water is mainly to produce a reaction to make mature lime, generally lime is soaked in the precipitation of whitish can be, but pay attention to the high temperature reaction of lime in water, be careful to be burned, and then use the brush to brush the wall with slaked lime to brush the wall once, and wait until the wall is dry and continue to brush the second time, until the wall is brushed to the end of white.

Dear, the soaked white stone disturbs and ashes for a long time, and you can also brush the exterior wall. However, if you can't sell it for more than 10 days, the effect will not be so good. Lime to soak about 20-35 minutes can be brushed wall, lime soaking water is mainly to produce a reaction to make mature lime, generally lime is soaked in the precipitation of whitish can be, but pay attention to the high temperature reaction of lime in water, be careful to be scalded by the slow land, and then use the brush to brush the wall with slaked lime to brush the wall once, and wait until the wall is dry and continue to brush the second time, until the wall is brushed to the end of white.

Supplement: the wall that needs to be painted, before the treatment of the wall to brush the wall, to ensure the flatness and solidity of the wall, as far as possible to make the wall to achieve a clean state without floating dust, if the wall belongs to the kind of old lime wall, the color of the back brush wall will be darker dust, so the wall must be brushed with white ash water before painting, and the old lime wall is completely dried and carefully dried, and then powder the refreshed hydrated lime.

1. Wall treatment, ensure that the wall is solid and flat, clean the wall with a steel brush or other tools, and make the cement wall as free of floating soil and floating as possible. Roll the concrete interface agent on the wall, try to be as uniform as possible, and after it dries, it is generally more than 2 hours, and the putty can be scraped.

2. Before scraping putty, the flatness of the wall should be measured with a detection ruler of more than 2m to determine the method of scraping putty. Generally, the wall can be scraped with 2 putty, which can not only level but also cover the background color. Putty with poor flatness needs to be scraped several times in the local area.

If the flatness is very poor, the wall is severely tilted, you can consider scraping the plaster first for leveling, and then scraping the putty. The interval between each putty batch scraping should be more than 2 hours.

3. After painting and scraping the putty, it is the step of painting. Primer should be applied first. Primer paint is specially used for the wall surface that does not need special treatment, as for the problem of the wall, we must first choose a special primer that treats this special problem.

In the process of brushing lime slurry, the lime slurry should be constantly stirred, otherwise the lime slurry will precipitate and there will be different stripes on the wall after brushing.

The old wall must be completely removed from mildew, oil, floating ash and loose coating, and the hole leakage should be repaired in time, and polished with coarse sandpaper. When painting, you should master the principle of top-down, stroke by stroke, vertical brush, or horizontal brush from left to right, and do not miss the pen.

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The amount of lime powder for one square meter of brushing the wall is about 2-3 kg. The amount of quicklime powder needed to paint a square wall depends on a number of factors, such as the material of the wall, the area of the wall, the thickness of the brush, and so on. It should be noted that the amount of quicklime powder used is not as much as possible, and too much use will lead to problems such as cracking and falling off of the wall.

Therefore, when painting the wall, it is necessary to control the amount of use according to the actual situation, and carry out the appropriate construction method to ensure the brushing effect and the quality of the wall. At the same time, it is also necessary to pay attention to safety during construction to avoid quicklime powder from entering the eyes, mouth and other parts. Quicklime powder has a wide range of applications in construction projects, which can be used to make mortar, gypsum, cement and other building materials, and can also be used in decoration projects such as paint and stucco.

The main function of quicklime powder is to react with water to produce calcium hydroxide (Ca(OH)2), a process called "hydration reaction". The hydrated calcium hydroxide can make the material have better adhesion, hardness and compressive properties, thereby enhancing the strength and stability of the building material. I hope mine can help you

Generally, when painting the wall, the materials used for ordinary painting are cement mortar, mixed mortar, cement and gravel mortar, lime mortar, gypsum, mortar, plain cement slurry, etc., and the materials used for general special painting are asphalt to teach you acid-resistant asphalt mortar, general cement perlite will free the human body, ordinary asphalt mortar, etc., which are commonly used in painting walls.

Lime painting the wall is very simple, directly add water to soak it, use a brush or water roller to brush directly, no need to add anything, just start to do it is yellow, and when the water is completely dry, it will become white. However, I personally think that lime powder is not as effective as lime ash drying.

Lime is very expensive now, go to the building materials market to buy a pack of melamine powder, a bucket of glue, and mix well according to the instructions to use. You go to the tool market and ask for a wall brush.

First of all, I will explain to you the correct name of white lime, the bottom layer putty plus the surface latex paint. Maybe the only thing that rents out the house is the bottom putty.

You just buy a bucket of latex paint, and then use sandpaper to kill the wall and brush the latex paint.

If it's just white ash, this can be done.

First, sandpaper sanding.

Second, use a row brush to brush directly on the big white, and add some white latex will be better.

Soak the white ash in advance, which is the key of the key. Remember, it's not about adding salt.

Okay, let's talk about chemistry. 1. Stone (limestone caCO3) is burned with fire to obtain lime also known as white ash (also known as quicklime cao). The white ash is fully soaked in water to obtain lime paste (also known as hydrated lime Ca(OH)2), and this lime paste has viscosity.

When painting the wall with lime plaster, stir it to stir up the precipitated lime plaster. The lime plaster is brushed onto the wall and reacts with the carbon dioxide in the air for several days. It becomes a limestone caco3 that is as hard as a stone.

In the past, when I painted the wall, I was always misled to add salt. In fact, soak the white ash a night in advance and it sticks.

The real white ash is too cheap, and the merchants make too little money, so it is almost impossible to buy pure white ash now, and most of the white ash sold on the market is added with glue, which is also the reason for the production of formaldehyde. But it's really convenient to use, and you can brush it with water.

Tools, large pots, small pots, and a brush bought from a dollar store are enough, and plastic flower pots with no exposed bottom are also enough. Brush the wall in one direction, and when using the brush, paint the wall from the bottom to the top, or diagonally from the bottom to the top. If you see white ash dripping down the wall, you should immediately use a brush to drive the white mortar up.

You can also constantly adjust the two sides of the brush in contact with the wall to reduce the amount of white ash from dripping down. You don't have to pursue perfection too much, after the wall is dry, it will be comfortable to look at.

I don't know when the rental house was built, but generally do not use latex paint, directly melamine paint scraped things, dirty and scraped again, only with the landlord to confirm that it is latex paint, can be on latex paint.

1 How to apply lime water to the wall evenly.

To paint the wall with lime water, you can first melt the quicklime into the water, wait for 1 2 days, add an appropriate amount of water and mix well, filter it with a window screen and use it (you can also add water to hydrated lime). When painting the wall, first clean the painted wall, and fill the damaged or cracked areas with paper tendon lime, it is best to use fine sandpaper to grind off the coarse grains of the wall, and then paint it from top to bottom with a wool row pen. Brush for the first time, and then brush for a second time until it is white, until it is evenly painted.

2 How to enhance the adhesion of lime water finishing.

Paint the wall with lime water, which can be added to the lime water that is mixed well.

of table salt or alum. It should be noted that during the painting process, it should not be brushed too thickly to prevent the shell from falling off.

3 How to prepare colored lime paste.

Add 6 7 chemical paste to the lime slurry, mix well, add an appropriate amount of advertising toner, and then stir evenly.

4 What should be paid attention to when painting the old stucco wall.

The following points must be paid attention to when painting the old plaster wall:

1) The painted wall should be fully dried. Generally, it takes a summer for a newly built house to be painted.

2) In addition to cleaning the painted wall, all the gaps and uneven places on the wall should be flattened with putty, and smoothed with sandpaper after drying.

3) Add binder to prepare the old slurry. The blending method is according to the ratio of old powder 10 plus "107" glue or chemical paste 0 5, mix well, and then filter it with a window screen. If you want to match the color, you can add an appropriate amount of advertising toner and mix well.

However, the colored old slurry must be mixed at one time according to the amount of demand, so as not to have different colors.

4) When brushing, it should be lightly brushed and quickly brushed, and the brushing should not overlap, and the brushing lines should be vertical up and down. 5 "106" paint should be stirred at any time when it is painted.

The 106" coating is the polyethylene water glass interior wall coating, which is non-toxic and tasteless, and easy to construct. If you need to mix the color you need, you can mix the corresponding advertising toner and paint, and adjust the amount at one time according to the need to prevent different colors. Stir at any time when painting to prevent sedimentation.

If it is too thick, you can add an appropriate amount of water to dilute it. When brushing, it should be brushed lightly and quickly, from top to bottom. Brush for the first time, let it dry and then brush it a second time until it is evenly brushed.

6 Calculation of the amount of paint used for wall brushing.

Generally, the paint can be brushed twice. Therefore, the purchase of paint before painting can be calculated by the following simple formula: the total area of the painting room (square meters) a4 the height of the painted wall (m) a0 4, and the number is the number of paint required (kg).

For example, if the painted kitchen is 8 square meters and the height of the painted wall is 1 6 meters, according to the above formula, you need to buy 6 kg of paint, which is enough to paint twice.

renovation of lime walls in old houses;

Preparation: more than seven days old hydrated lime paste, hemp knife velvet or pop-up cotton. Clean the dust of the old wall, fill the hole first, and then wipe the large surface.

It's better to find a plasterer, they will tell you what to do with the old wall, and they will do it for you. You can't wipe it without your own plastering technology.

The wall used to be lime powder, before repainting, you need to clean up the bottom layer, because the lime wall is dusty, repainting can not be attached, so you must remove the previous lime powder wall, scrape putty and level, before you can paint, refer to the steps:

Old Wall Renovation Steps:

1. Clean up the old wall: The general old wall will have problems such as oil stains, floating ash, hollow drums or cracks, and low water absorption, so you need to do some cleaning work on the wall. The old wall should be removed from the floating ash first, and the sand and warped skin should be removed; For the oily parts, the original coating should be removed first, and if it cannot be removed, it should be thoroughly cleaned; After the wall is cleaned, scrape two more with putty.

2. Scraping putty: It is better to choose putty with high particle fineness and hard texture, and you can also add a certain amount of white latex to the putty to improve the hardness of the putty.

3. Grinding: Try to use finer sandpaper, generally softer putty (such as 821) with 400-500 sandpaper, hard texture (such as wall lining, easy to quack) with 360-400 is better, if the sandpaper is too coarse, it will leave deep sand marks, and the paint can not be covered. After sanding, the wall must be thoroughly cleaned to avoid too much dust and affect the adhesion of the paint.

The difference between bumps and bumps does not exceed 3 mm.

4. Primer: The primer must be brushed evenly to ensure that every place on the wall is brushed, if the wall eats a large amount of paint, the primer is best to add a little more water to ensure that it can be painted evenly. Don't think that just because it's a primer, it's okay to use a roller that is a little worse, the effect of the primer will directly affect the effect of the topcoat, and you should use a roller with the same texture as the topcoat.

5. Repair: After the putty is polished, there will be some flaws (pit eyes), which are generally difficult to see, only after brushing the paint will be obvious, at this time it is necessary to make up, pay attention to the repair must be polished and smooth, and then brush it with a primer with a little more water, so as not to have color difference when brushing the topcoat because of the different draught with other walls.

6. Topcoat: The suitable for lacquering here is the ordinary lacquering work, do not add excessive water, which will affect the thickness of the paint film, feel and the hardness of the paint film, try to choose a better tool, the hair of the drum is not too short, but it must be fine, so that the paint film will feel delicate, and the painting mainly pays attention to the corner of the wall, the indirect stubble part of each roll and the direction of the paint.

7. Maintenance: The latex paint will dry after 4 hours after painting, but the dry paint film has not reached a certain hardness, which is to care, very simple, do not scrub or touch the wall within 7-10 days.