Creating a warm floor, each master should consider the construction of a concrete screed with particular attention. From this will depend on the quality of the future system.
Will help him in this plasticizer for a warm floor – Supplement that improves coating characteristics gives it elasticity and reliability.
Such powder contributes to the good solubility of cement and attracting microparticles, resulting in an air pushing, the solution becomes elastic and plasticized.
The purpose of the application of plasticizer
The mentioned additive is used in building mixtures and inhomogeneous compositions designed to a wide range of use.
The impurity is well mixed with concrete solutions and gives greater efficacy with reinforced concrete products.
Its basic properties:
- contributes to the slowdown in the formation of the corrosion process;
- a sufficiently small amount of additive to increase the strength of the solution;
- The plasticizer for a whirlpool of a warm floor contributes to the development of high-strength and moisture-proof concrete;
- Neutralizes the effect of potassium nitrate, if it is present in solution;
- A screed made with the addition of a plasticizer is capable of carrying down temperature up to - 25 degrees.
Actions additives on concrete
Plasticizers significantly improve the quality of the concrete mix
It must be remembered that the chemical composition of impurities is difficult, therefore it is necessary to add it to solutions, strictly following the instructions in small quantities.
The effects of additives is:
- Concrete with the presence of a plasticizer grabbing faster;
- The solution is high strength, hydraulic, has a dense structure;
- The admixture allows you to create low pressure, if subsequent mortar knees occur;
- Concreting implementation in winter eliminates the accelerated hardening and separation of thermal energy in the process of hydration;
- With long-term transportation, a liquid concrete containing a plasticizer is activated by a small addition of potassium nitrate to the concrete mixture.
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Pros additives
The plasticizers appeared on the construction market for making a screed allowed to make it production for a shorter time and with the smallest costs.
Modern additives used to arrange a warm floor have such advantages:
- There is no unpleasant smell;
- The quality of thermal insulation of the mixture increases, while improving the quality of the heating system;
- a mixture containing a plasticizer is perfectly soluble even without the presence of water;
- fluid costs are reduced, but the strength increases by 2 times;
- The pouring procedure is simplified, since the mixture becomes plastic and the warm floor communications is well streamlined;
- Screed with attached additives dries quickly.
A solution containing a plasticizer for a warm floor maintains characteristic properties for a long time.
What kind of plasticizers are available?
All available types of additives improve the quality and strength of the screed, but they differ in some functions.
Some affect plasticity, others allow you to work even at low temperatures, and there are representatives that contribute to rapid harm.
Specialists subdivide plasticizers for warm sex for such types:
- dry, they interfere with water in proportion 1: 2, then the mixture is defended;
- Liquid - added to 100 kg of cement - 1l;
- protein protected;
- Polyamide reinforced fiber.
Warm floor is commissioned only after completely drying the screed.
Symptoms for which the selection of plasticizer takes place
To properly select the desired additive, you need to remember that not every species will suit for warm floors. You need to pay attention to the package mark. It should also be familiar with the cost of products, it will depend on the flow and operational properties. For more information about whether you need a plasticizer, see this video:Rules for using impurities in a concrete screed
Solutions for water and electric floors differ in composition
The additive is introduced into the solution together with the rest of the components and stirred by a concrete mixture of one and a half hours. As a result, a homogeneous mass is published.
- Warm water floors will go such types of modifiers that will help avoid vacuum formation in solution. The mixture in warm floor is placed directly on the system pipes, so the screed must withstand significant loads so that they are not damaged. The layer should be thick, at least 25 mm. Supplement will give the solution elasticity and density.
- For electric warm floor, the screed must be prepared with the addition of a dry plasticizer. You need to add a special glue here so that the screed has become plastic. In the laying, such a mixture is pretty light, it is even, and its strength is at the proper level.
The screed for a warm floor does not endure over water. In the case of their presence, after drying in layer, fillings can form cracks that are not visible to human eye.
Ways to use plasticizers
You can walk on the finished screed in a week
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For successful results, you need to adhere to the instructions for the use of additives that are specified on the package. Certain proportions may vary.
- impurities are placed in a solution together with other components and bring to a homogeneous solution;
- The solution is distributed on the site evenly. It can be used both in residential premises and in public buildings;
- The finished screed must be good, you can walk on it later. The final hardening occurs twenty days after the fill of the floor. For the proportions of the plasticizer in solution, see this video:
With minor volumes, a building mixer is used, the solution must be allowed to settle, then mix again. Then he again defend and you can begin to fill. Works are carried out at a temperature of at least + 5 degrees.
After the appearance of plasticizers for a warm floor, it was necessary to process the concrete screed with a needle roller to remove excess air.