At repair and also finishing of rooms one of the most expensive and volume types of works is alignment of walls and ceilings. Plasters are applied to elimination of strong roughnesses and keep within layer to three centimeters. They are not only basis of finishing, but also key part of the device of facade and interior of buildings. Plaster can hide shortcomings of walls, give the invoice necessary for them or the form, and sometimes and certain properties, it is durable and economic.
Instruction
1. Plasters can be separated into two main groups: plaster and cement. If you wish to save, it is possible to get cement plaster, but for finishing of housing it is better not to use this material: plaster is much more convenient when finishing, creates the most qualitative covering which can be used without further puttying, and, the most important, plaster plaster creates favorable microclimate in the room — she is capable to regulate humidity, creates quite good warm and sound insulation.
2. Plaster has to answer number of requirements. One of the main qualities is resistance to weather patterns, hard frosts, temperature drops and also to chemical, aggressive substances. Also the compatibility of plaster with various thermal insulation materials, its environmental friendliness matters.
3. According to the general classification, plaster mixes can be separated into normal and decorative. Normal are the basis under painting, and decorative serve for decorative and color registration of outer and internal surfaces of buildings. Already depending on structure decorative plaster can be subdivided into several main types: terrazitny and limy and sand.
4. Limy and sand plaster as binding material contains lime slaked lime, and as filler - quartz snow-white or acquired by limestone crushing, sand. This mix well will be suitable for finishing of facade of the wooden house or the house built of limy snow-white brick or of breeze blocks. Perfectly the snow-white impressive strips executed from sand-lime mortar which imitate door, window platbands and corners of facades look.
5. Terrazitovy plaster mix represents lime cast, but with prevalence of lime. It is applied to finishing of facades of such constructions where requirements to mechanical strength and atmospheric firmness are overestimated and also when plastering architectural drafts. It is also used for finishing of brick walls with considerably partitioned surfaces, for finishing of surfaces from concrete, with wettish operative conditions, exposed to blows and friction. Use of terrazitovy plaster is not recommended for finishing of socles and also with durability M-50 is lower than materials (for example, shlakobetonny walls).