Warm plaster for walls - description, features, application. Warm plaster has recently appeared on the construction market. In addition to the main function of providing protection for the walls of the house, this composition also plays the role of a heat insulator, that is, it retains energy inside the building.
What is warm plaster? If we talk about interior wall decoration, the question comes to mind of how laborious it is, you should call specialists with the appropriate qualifications and experience. But with the standard application of a sand-cement mixture to the walls, the problem of insulation remains unresolved.
If you use heat-insulating plaster, there will be one less problem, and you will immediately kill two "birds with one stone.
When insulating, they use heat-insulating plaster for interior work and the facade. It differs from the usual in its high energy efficiency, yet inexpensive.
Water is used to create conventional plastering compounds, cement, sand and, if necessary, mineral additives so that the final product is stronger and frost-resistant. Insulating plaster has the properties of both a cement mixture and a heater.
Get the effect that is as similar as possible to that of materials large-scale production is possible if a special recipe is used The most popular substances that will dilute rial mate to improve energy efficiency are :
The technical material has all the necessary properties due to the fact that insulating materials are added to the composition.
There are three main types of mixtures in composition .
This mineral filler is lightweight, it is added to dry ready mixes, which makes it possible to use the mix for interior decoration and facade work.
This mortar can be applied to brick and wood walls. The solidification time is 14 days. If you do not ventilate the room, but in the future, the finish surface will begin to be covered with mold or even fungus.
Plaster for insulation must be applied to the surface of the walls using standard technology. Before starting work, the surface to be treated should be cleaned of peeling elements and dust.
Certain types of warm plaster for walls do not require treatment with special primers, but this will not be superfluous for a high level of adhesion. Mixing of the mortar should be carried out in a construction container with a volume of at least 50 liters.
The packaging should indicate how much liquid will have to be poured into the mixture according to the technology. Certain compositions of plaster can harden in a short period of time, so read the instructions in detail before using so as not to spoil the material.
To save time, the execution of work is usually entrusted to teams of workers who have rich experience in construction, since they have completed more than one object using this technology.
Plaster, which will also play the role of insulation, should be applied by analogy with ordinary plaster. When working with it, you need to pay attention to the level of frost resistance, whether there is adhesion at sub-zero temperatures. When plastering the facade with your own hands during the winter, there is a risk that the solution will simply not grab onto the frozen surface of the walls. In the future, the layer will begin to peel off, flake off and the material will be damaged.
The mixture is applied to the wall in several layers.
Each layer should not necessarily be thicker than 2 cm, and it will be possible to apply it no earlier than 240 minutes after the previous one. Experienced workers use two sizes of spatula for production - small and wide. The quality of work can be checked using rules measuring 2 meters with a level. This should be done 21 days after the work was completed. The deviation of the plane from the level should not be more than 0.
1-0. 3 cm.
Apply plaster to insulate the facade when ready to start work, and it is even more difficult than finishing the room from the inside. For high-rise work, strict adherence to safety measures will be required, as well as to use only certified equipment and high-quality building structures in order for the work to be safe. Before starting, protruding capital structures should be removed from the surface of the walls.
After all work is completed, masons should not remove pieces of dressing fittings. They should be cut off so that no one is injured in the future.
After everything is ready and you have chosen the one that suits the most from the types of warm plaster, you can start.But this stage most often starts with disappointment, as people find out that the differences in the treated walls are too great. Although mortars have high strength characteristics, sometimes even this is not enough to do without the use of a reinforcing mesh as a supporting base.
Reinforcing layer according to its technology is required in order to withstand loads from its own weight. Manufacturers give such data that the products do not require the use of reinforcing mesh. But in this case, we recommend monitoring the problem as a whole, as well as getting advice from specialists, and then making a final decision on whether to reinforce the base under a layer of plaster.
Warm plaster for interior work in construction has certain advantages and disadvantages. Below are the positive and negative features for a group of plaster mixes with thermal insulation functions.
There are only two points to the negative aspects. The first is that the thermal insulation properties of the material are much lower than that of standard heaters. In order to provide similar properties, it will be necessary to create a layer of solution 2 times thicker than when using conventional heat-insulating material for warming. Thermal insulation mixture is rarely used as a topcoat.
After drying, a final treatment with a more suitable material will be required.
Plastering the walls and involving hired personnel may result in unnecessary material costs. The control of the mixture production can be ensured by calculations that are based on the manufacturer's data on the composition of the material for plastering and thermal insulation. For 1 m 2 the consumption is from 10 to 18 kg. For outdoor work, the consumption of thermal plaster can reach up to 25 kg per 1 m 2 , but more.
This is due to the fact that the layer of material on the outer walls should be thicker than on the inner ones.
The numbers differ from manufacturer to manufacturer, but not significantly. Consumption may be higher if there are a lot of irregularities on the walls, and also due to the fact that the builders overspend some of the material for scrap. Pay attention to such moments.
If it is not possible to buy a finished product, you can try to make warm plaster with your own hands.
It's not difficult at all. Note that for manufacturing it will not be enough to simply add granules of raw materials for insulation to the cement-sand mixture. You will need to use a special plasticizer.
Use clean water, heat-insulating filler, cement and plasticizers to prepare the composition. In the role of the latter, PVA glue can be used.
The ingredients should be mixed in the following proportion: one part of cement goes to four parts of the filler. For one bucket of cement, 50 grams of PVA glue will be enough. Add water as needed with a consistency:
Plastering walls with such a composition occurs in three steps:
After the preparatory work is completed, the product can be used.
Using a dry mix with additives in the form of granules for plastering will solve several problems at once. In one stage of work, you can both finish the wall and insulate it. This technology is multitasking, and the material is highly efficient, reliable and durable.
But do not forget that this method of plastering will require certain skills and a lot of labor.
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