刮大白一般使用石膏粉，石膏粉凝固后質(zhì)地較為堅(jiān)硬，一般用于墻面的鑲嵌、填補(bǔ)，通常將石膏粉用作為底層。等到石膏粉全部凝固后再刷一層膩?zhàn)?，膩?zhàn)右仁喔?xì)膩，膩?zhàn)铀⑸弦院筮€要進(jìn)行拋光，最終做到和常見的墻面一致。

　　Generally, gypsum powder is used to scrape off white plaster. After solidification, the texture of gypsum powder is relatively hard and it is usually used for wall inlay and filling. Gypsum powder is usually used as the bottom layer. Wait until all the gypsum powder has solidified before applying another layer of putty, which should be finer than gypsum. After applying the putty, it needs to be polished to achieve consistency with common wall surfaces.

　　刮大白注意事項(xiàng)

　　Precautions for Scratching White

　　1、 墻面要保持干燥，表面水份最好要低于6%，PH值小于9，新水泥施工一般須保養(yǎng)20天至40天。檢測辦法手摸，沒有潮濕感。眼看無水印。

　　1. The wall should be kept dry, with a surface moisture content of less than 6% and a pH value of less than 9. New cement construction generally requires maintenance for 20 to 40 days. The detection method is hand touched, and there is no moisture sensation. There is no watermark visible.

　　2、 施工前須鏟除鼓包，除油，除塵，除堿，除霉及松動(dòng)層等。除時(shí)可用稀酸水沖洗，再用清水沖洗干凈，干燥后再刷涂料;除霉時(shí)先用鏟刀鏟除施工面的霉菌再用洗墻水，噴洗二遍，待干燥后，方可刷涂料。

　　2. Before construction, bulges, oil, dust, alkali, mold, and loose layers must be removed. When removing, rinse with dilute acidic water, then rinse with clean water, dry before brushing with paint; When removing mold, first use a shovel to remove the mold on the construction surface, then use wall wash water and spray it twice. After it dries, the paint can be applied.

　　3、 施工中，可根據(jù)氣候條件及涂刷具體的不同，酌加少量清水或稀釋使用(具體加入量參見各品種的使用說明書)。溫度低于7°C，濕度高于85%時(shí)候，不宜施工(夏季以及南方梅雨季節(jié)及冬季。

　　3. During construction, a small amount of water can be added or diluted according to the climate conditions and specific painting requirements (please refer to the user manual for the specific amount added). When the temperature is below 7 ° C and the humidity is above 85%, construction is not suitable (in summer, southern rainy season, and winter).

　　4、 不要在涂刷墻漆的同時(shí)使用聚酯類涂料料，因游離子TDI會(huì)使膠漆泛黃。

　　4. Do not use polyester coatings while applying wall paint, as ion free TDI can cause the adhesive paint to turn yellow.

　　5、 為使漆膜耐久、保色、不受墻體內(nèi)堿性物質(zhì)的侵害，要使用封固底漆打底。

　　5. To ensure the durability, color retention, and protection of the paint film from alkaline substances inside the wall, a sealing primer should be used as a base coat.

　　刮大白的流程

　　The process of scraping white

　　1、做基層處理鏟墻皮

　　1. Perform grassroots treatment and remove wall coverings

　　大多數(shù)人從開發(fā)商那邊拿到房開始裝修時(shí)，第一件事就是鏟墻皮。原因有二，一是原墻面質(zhì)量不過關(guān)，二是看不到內(nèi)部質(zhì)量，隱蔽工程最忌諱的就是這個(gè)。鏟完后刷上界面劑，它的主要作用是提高抹灰層與基層的吸附力，保證刮大白的施工質(zhì)量。

　　The first thing most people do when they receive a house from a developer and start renovating it is to remove the wall coverings. There are two reasons, one is that the quality of the original wall is not up to standard, and the other is that the internal quality cannot be seen. This is the most taboo for concealed engineering. After shoveling, apply the interface agent, which mainly improves the adhesion between the plaster layer and the base layer, ensuring the construction quality of scraping off large white.

　　2、補(bǔ)石膏

　　2. Supplement gypsum

　　補(bǔ)石膏的專業(yè)說法叫做石膏找平。在頂棚或墻面上彈線，用粉刷石膏將角落不足處刮平。粉刷石膏分為兩種，一是滿刮基層粉刷石膏，二是滿刮面層粉刷石膏。滿刮基層需要貼一遍玻纖網(wǎng)格布，滿刮面層石膏只需攪拌均勻，然后將表面填滿補(bǔ)平即可。

　　The professional term for repairing gypsum is gypsum leveling. Draw lines on the ceiling or wall, and use plaster to smooth out any corners that are insufficient. There are two types of plastering plaster: one is full scraping plastering plaster for the base layer, and the other is full scraping plastering plaster for the surface layer. To fully scrape the base layer, a layer of fiberglass mesh cloth needs to be applied. To fully scrape the surface layer of gypsum, simply mix it evenly and then fill and level the surface.

　　3、粘貼牛皮紙

　　3. Paste kraft paper

　　石膏找平結(jié)束后，還有一些細(xì)節(jié)的處理。比如墻體上兩塊石膏板相接的地方縫隙很大，即使用石膏填平了以后也會(huì)開裂，所以要在石膏板與墻面的接合處粘上牛皮紙。

　　After leveling the gypsum, there are still some details to be handled. For example, the gap between two gypsum boards on the wall is very large, and even if gypsum is used to fill it, it will crack. Therefore, it is necessary to stick kraft paper at the joint between the gypsum board and the wall.

　　4、刮大白

　　4. Scrape off the white

　　前面幾道工序完成，最后就是刮大白，準(zhǔn)備來說是抹大白。是最簡單的一步，然后打磨加刷乳膠漆。切記，請(qǐng)工人打磨時(shí)要監(jiān)工，看是否平整，否則刷上乳膠漆很難看。

　　The first few processes are completed, and the final step is to scrape off the large white. To prepare, it is to apply the large white. The simplest step is to polish and apply latex paint. Remember, the worker must supervise the polishing process to see if it is smooth, otherwise it will be unsightly to apply latex paint.

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