How to apply mortar for plaster walls from foam blocks?

Having decided to repair, you anywayface the need for high-quality finishing of your home. In the role of the finishing material, in most cases, ordinary plaster appears. It is simple and cheap, and with proper work, the result will be just great. However, even an experienced master from time to time may encounter in his work with certain difficulties. This especially applies to walls made of foam block: the solution for plastering walls made from this material has its own characteristics.

Во-первых, поверхность такого рода стены должна be tested for the presence of various chips and other mechanical defects. After thorough cleaning, the surface can be primed. Evenly and gently spreading the composition on the surface of the wall, wait until it dries, and at this time you yourself should dilute the plaster mixture. But do not hope for light work, as the foam block is a very capricious material in this regard. And the composition of the mortar for plaster walls should be made in accordance with all its requirements.

Take, for example, a brick.A brick wall easily absorbs moisture, and does it evenly. The result is a strong coupling between the wall material and the plaster itself. And what is the behavior of the foam block in this case? It absorbs moisture much better than bricks, but in no hurry to give it away. As a result, there is no question of any uniform distribution of moisture. That is why the plaster walls with lime mortar in the case of the foam block is completely unacceptable! Lime perfectly absorbs moisture, and after drying it simply falls off.

If there is no primer mixture on hand, you canspray the wall with a plastering liquid solution. Reliability and efficiency of this method have been tested for decades. The material can be applied only after the layer of solution dries slightly. Thanks to such a simple reception, it is possible to ensure excellent adhesion of the finishing composition to the wall of the foam block. This effect is due to the fact that the moisture from the primer or its substitute is perfectly distributed over the wall surface. You can dilute the solution for plaster walls with conventional mixtures for pre-treatment of surfaces.

Let's return to the simple primer mix.Are there any differences in the use of primer and mortar plaster? There are quite substantial. First of all, acrylic primer is not suitable. Its disadvantage is that during its curing it dries the surrounding surfaces strongly. It is clear that for a capricious foam block it does not fit at all.

If you put acrylic on the foam blockplaster, it will not last long. Because of the need to preserve moisture during the drying of the surface temperature should not exceed +27 degrees Celsius. In addition, such a solution for plaster walls is best to dry in conditions of slightly high humidity, allowing more time for this.

In short, the simplest method usingplaster should be considered justified from an economic point of view. In general, on this all the wisdom of ennobling walls of foam blocks are exhausted. If you approach the matter wisely, then there is nothing difficult in this, and the solution for plaster walls will hold on for years.