Putty is a kind of decorative material on the surface of a smooth wall. It is a thick paste-like paint, and it is an indispensable step before painting paint. The role of putty is to eliminate the surface defects of the base layer and improve the flatness of the base layer. The construction of putty is good or bad, affecting the quality of future decoration, and some of them are not suitable when putty is applied, so it is easy to cause blistering, peeling, and coating shedding. Next, Xiao Bian introduced the precautions for putty and the types of putty for everyone.
Batch putty notes
1, to be strictly in accordance with the approval of putty steps to carry out.
2. The second is that if the original wall is lime or paint, then before repainting it is necessary to remove the previous putty and scrape it again.
3. The third important point is that the quality of the putty must be better. There is also the first brushing of the roof and then the rear wall; the last is to pay attention to the uniform force.
4. Putty putty on the wall not only needs to see the quality of putty powder, but also requires professional and standard construction techniques. This is also a requirement for construction workers. Therefore, when choosing a decoration company, it is best to be able to carry out on-site inspections of construction workers. It is possible to determine whether to choose this decoration company from the construction specifications of construction workers and the construction attitude of construction workers. It is also the quality of wall scraping putty. A guarantee.
5. Even if a reliable decoration company or professional decoration worker is selected, it is necessary to supervise the wall when putting a putty from time to time, and perform a comprehensive monitoring from the raw materials to the construction site. First and the decoration company agreed on the order of the wall scraping putty: first brush the interface agent at the bottom, followed by two times water-resistant putty, and polished, and finally brushed latex paint. The supervision of the construction site is mainly on the quality of the putty and the quality of the wall surface: the wall surface should be flat, and there should be no wavy shape when viewed from the side; after the wall surface is brushed, no powder, peeling, leaking brush, bottom, etc. will appear. Anti-alkali, falling, smashing and other phenomena; in the scraping putty when the type of materials used, color, etc. should be consistent with the decoration contract to ensure the quality of decoration.
6, in the decoration process, do not worry too many places, the quality of the wall decoration and wall scraping putty have a direct relationship, so when the decoration must be carefully monitored by the construction staff to carry out regular operations .
Kinds of putty
1. Cement PuTTY: PuTTY made of Portland cement based material is a cement putty, characterized by high strength and high hardness, but the fatal disadvantage is that it is rigid, brittle, and easy to crack. Mainly used for exterior walls (can also be used for interior walls). Its characteristic is the surface strength.
2, cracking putty: the strength is not so high, but it can resist the cracking of the wall to prevent cracking.
3, water putty: water putty is a kind of construction putty, especially to achieve "building putty with indoor" (JG/T3049-1998) standard in the N type, that is, water-resistant putty standard type of putty. "Building putty for indoor use" (JG/T3049-1998) is a minimum standard that must be reached for interior construction putty products. All putty that fails to meet the requirements of the standard is a non-conforming product and is prohibited from being sold and used.
4, white putty: that is, we often say that the large white powder, also known as talcum powder, putty powder, is the commonly used materials for the leveling of the wall in the family decoration, generally in the white powder, add cellulose, white latex and water, knead into a thick In order to prevent cracking and falling off of walls and roofs, a layer of interface agent may be applied to the bottom layer.
5, flexible putty: flexible putty made of high-quality cement, fillers, synthetic polymers and selected additives, according to putty's flexibility and waterproof performance, divided into ordinary exterior wall putty, flexible anti-crack putty, flexible type External wall putty and waterproof exterior putty. When using, add 30% water and stir well. It can work normally under the sun exposure weather conditions, it has the advantages of high bond strength, smooth surface, moisture resistance and moisture resistance. It is suitable for substrates such as cement mortar, concrete, gypsum board and Etude board, as well as exterior wall surfaces of various buildings.
6, elastic putty: "Elastic" means that there is a certain tension. The elastic putty is mainly used to fill gaps in the wall surface. Because it has a certain tension, the gap in the wall is affected by the temperature/humidity/external force, and the change will cause no gaps on the wall surface. However, there is still a gap beyond a certain limit, which is white cement + talc + cellulose + 2488 + elastic acrylic emulsion, which is generally used for interior walls of rooms requiring certain musical effects or sound insulation.
The use of putty
The usual putty batches are first slaked with lime, and then batched with ordinary putties. This way, although it can save money, it has buried hidden dangers. This product is suitable for the base layer treatment of GRC board, ceramic board and roof board. The base material is cement mortar, cement press board, gypsum board and so on. Can also be based on user requirements supporting different grades of interior wall paint. Production process of low-cost environmental protection putty powder (paste) Latex paint is not only applied to the interior and exterior wall decoration of the construction project in China, but the construction putty used with it also becomes an important material for the building wall decoration. Although the construction putty is only one The grass-roots processing material, but it must be given great attention.
Editor's summaries: About the approval of putty and the type of putty Daquan is introduced here, I hope to be helpful to everyone. If you want to know more about yourself, you can follow the information on this site.
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