Putty Types Putty Powder Effect
As we all know, putty is a kind of decorative material on the surface of a smooth wall to remove the unevenness on the surface of the wall. However, there are several kinds of putty used in home decoration. The most common ones are plaster putty and cement based. Putty, cooked old powder and so on. The following small series introduces the type of putty and the role of putty powder.
Types 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), which is characterized by high 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, specifically to achieve "building putty with indoor" standard in the N type, that is, a standard putty water-resistant putty. “Building interior putty†is a minimum standard that must be achieved for interior construction putty products, so putties that do not meet the requirements of the standard are unqualified products and are 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 wall cracking and falling off, a layer of interface agent can be applied to the floor.
5, flexible putty: flexible putty made of high-quality cement, fillers, synthetic polymers and selected additives, etc., according to putty's flexibility and waterproof performance, divided into ordinary 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 in sunny weather conditions and has the advantages of high adhesion, 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. Elastic putty is mainly used to find gaps in the wall surface. Because it has a certain tensile force, the gap in the wall is affected by temperature, humidity, and external forces. With this change, there will be no gaps on the wall. However, there is still a gap beyond a certain limit. It is white cement + talc + cellulose + elastic acrylic emulsion, and is generally used for interior walls of rooms requiring certain musical effects or sound insulation.
Putty note
1, in order to have a good effect, it is best to apply a primer with a layer of primer before putty.
2. When scraping putty, it is necessary to control the inclination of the tool and apply it evenly.
3, in order to avoid cracking and shedding of putty, scraping should not be too thick, according to the type of putty different control, the thickness is generally about 0.5-1mm.
4, do not repeat the scraping.
The role of putty powder
1, beautification function
In the painting project, the user requested that the wall surface be not only smooth but also smooth and delicate. Part of the paint has a higher degree of smoothness on the wall surface. To improve the smoothness, the properties of the putty substrate must be improved.
2, to overcome the role of turtle cracks
On the surface of a building, especially exterior walls, surface cracks caused by the shrinkage of cement often occur. The form of turtle backs is called “turtle crackâ€. Cracks often cause shelling, shedding, and even coating. Cause wall seepage. Therefore, the self-cracking and cracking resistance of the putty layer is an important indicator of the quality of the putty, and is also the focus of the technical research and development of the putty manufacturer.
3, filling effect
Leveling is the most basic requirement for painting, so filling is a basic function of putty. Irregularities abound in construction. For example, unevenness of the surface of the cement mortar, unevenness of part of the wall surface, or the general wave-like undulations of the ceiling under the light affect the beauty of the building.
Editing summary: The types of putty and the role of putty powder are introduced here, and 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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