Putty and plaster are mixtures used in construction for surface finishing. But these are two different materials. Let's consider, what differs шпаклевка from plaster at registration of walls, and for what purposes them it is necessary to apply.
Although these materials are used on the same plane, the difference between them is that the plaster is leveled by curved surfaces, and the putty is treated with minor defects, cracks, joints between gipsokartonnymi sheets, potholes.
Features of putty and plaster
Their difference is noticeable in the structure, the granularity of the ingredients.
The plaster consists of a combination of cement, sand, polymer fillers, it smooths the wall surface, protects from moisture and increases the thermal insulation properties. By adding gypsum, the solution becomes more plastic. The mixture has larger fillers compared to the putty, thereby gaining strength.
Plaster can be applied on uneven surfaces with a layer of up to five centimeters. With a large curvature, a grid is laid between the layers of the solution. The plaster is divided into leveling and decorative.
Gypsum plaster is more plastic than cement, but it also differs from putty by the presence of gypsum of a larger grind. Puttying can have in the composition of cement, gypsum, acrylic resins, plasticizers, but much less grinding. It is used to make the surface as smooth as possible and eliminate shortcomings within one and a half centimeters. To achieve maximum smoothness, putty is available in two types - starting and finishing. Its application is carried out directly between painting the walls or decorating them with wallpaper .
An important feature, what they differ from each other - plastering is applied after the plaster has dried and the primer layer strengthening it. The latter protects the surface from fungi and bacteria and provides good adhesion of materials, has a liquid consistency.
The wall, which is covered with putty, you can not grind, and plastered surface - you can. Also these materials differ in drying time, putty dries within a day, and plastering - at least a few days.
Although these materials are different and used for different purposes, their joint application makes it possible to achieve a qualitative and ideally even surface of the walls in the room.