How to shave the white ingredients, the tutorial of the big white

For the preparation of large white putty: large white powder, talcum powder.

The emulsion is stirred evenly according to 10:10:1, because the putty dries quickly, so an appropriate amount of cellulose aqueous solution should be added and stirred together.

For cement putty preparation: 5:1:1 for cement, glue and water

1. Stir well, then wait for 10 minutes to use, pay attention to stir again before going up the wall again.

The process of scraping wall putty powder.

1. Base treatment: The dust, stains and other debris remaining on the surface of the base should be cleaned first.

3. Putty: For different places, the waterproof requirements are not the same, and the ratio of putty is also different. Generally, ordinary putty, the mix ratio is polyvinyl acetate emulsion: talcum powder or large white powder: 2 carboxymethyl cellulose.

Solution 1 5 ; It can be used in waterproof areas such as kitchens and toilets, and the mix ratio is polyvinyl acetate emulsion cement water 1 5 1.

4. Scrape putty.

When scraping putty, it is generally done three times, the first time the rubber scraper is full of horizontal scraping, and the joint shall not be left behind. After drying, grind with No. 1 sandpaper, smooth and polish the floating putty and stains, and then clean the wall. The second pass of the rubber scraper is vertically full scraped, and the materials and methods used are the same as the first putty.

The third time use a rubber scraper to find the putty, use the steel scraper to scrape the putty, scrape the wall base layer flat, and then smooth and polish it with fine sandpaper after drying, taking care not to miss the grind.

The tutorial for shaving the white is as follows:

1. First clean the wall, remove the peeling or loose places, and repair the mortar.

2. Repair the potholes and depressions on the wall with plaster, polish them with sandpaper after drying, and sweep away the floating dust.

3. Then scrape the white, generally need to paint the putty three times, pay attention to each time until the previous one is dry.

4. After the putty powder is painted, wait for the wall to dry, and then use fine sandpaper to polish it to the front of the Guangshi Sakura.

Precautions for scraping white

1. The wall should be kept dry, the surface moisture should be lower than 6, the pH value should be less than 9, and the new cement construction should generally be maintained for 20 to 40 days. The detection method was touched by hand, and it was not clear that there was a feeling of moisture.

2. Before construction, it is necessary to remove bulges, remove oil, remove dust, remove alkali, remove mildew and loose layer, etc. In addition to the use of dilute acid water rinse, then rinse with water, dry and then brush the paint Songkai; When removing mold, first use a shovel blade to remove the mold on the construction surface, and then use wall washing water, spray twice, and wait for drying, before brushing the paint.

3. During construction, a small amount of water or dilution can be added according to the different climatic conditions and the specific painting (please refer to the instruction manual of each variety for the specific amount added). When the temperature is lower than 7°C and the humidity is higher than 85, it is not suitable for construction (summer, southern rainy season and winter).

4. Do not use polyester paint materials while painting wall paint, because free ion TDI will make the glue paint yellow.

5. In order to make the paint film durable, color retained, and not infringed by alkaline substances in the wall, it is necessary to use a sealing primer as a primer.

1. The method of preparing scraping white material: 1 kg of caustic soda, 50 kg of fossil powder, and 2 kg of cellulose.

2. Usage: Fully mix the fossil powder and cellulose, add an appropriate amount of water, mix into a paste, and then pour the caustic soda into the mixed white paste with a small amount of water and mix it into a gelatinous gel.

3. Note: Caustic soda is harmful to the first and should be protected.

The specific tutorial is as follows:

Eradicate the Great White. Remove the big white on the wall first, and use the roller coating interface agent to prevent the wall from falling slag, which will ensure the construction quality.

Fill the cracks. Then use gypsum to fill the cracks in the wall, so that the cracks do not expand and have enough support.

Plaster wall finishing.

After leveling the wall with gypsum, scrape the tassel on the wall with gypsum again to make the wall horizontal and vertical, and the yin and yang angles are vertical and square.

Scrape the white polish.

Use a trowel to evenly scrape the white, the wall must be dry before scraping, and the wall will cause peeling if it is wet. After the wall is dried, the wall is planed with a scraper.

Scraping white: Scraping is a very important thing to be brushed three times, after each brush, must be dried thoroughly and then brushed again, otherwise it is easy to have problems such as wall skin falling off, and after brushing, it is necessary to check repeatedly, whether there is a bulge and other conditions, and it should be repaired in time.