Technology and materials for correcting shortcomings in a concrete basis
Over time, concrete floors begin to be covered with cracks due to the falls of heavy objects. The modern market offers materials that allow you to fix all the shortcomings of concrete. Using a “cement dough”, you can easily fill cracks with a width of less than 3 mm. Sometimes it happens that large fragments of the floor are damaged. Patches must be put on these places. At the beginning, you need to divide the damaged places into small pieces, and remove the resulting garbage. Next, process the edges with a metal brush.
After that, with the help of a hammer and a yolk, we knock down the edges so that the edges are tilt to the center. We put a reinforcing mesh (with cells 100x100mm and a diameter of 4 mm) on top. The edges of the grid are located on inclined edges.
Nearby on a large sheet of cardboard, mix dry concrete with water until a plastic mass is obtained.
The edges of the patch is treated with Butadiostrol latex (or PVA). Next, lay the concrete with a shovel on top and thoroughly tamp it. It is necessary to lay out such a layer of concrete so that it protrudes slightly, t. To. Over time, concrete shrink.
Raik-right align the concrete. After some time, water will appear on the surface when it dries, we process the surface with a metal ironer. Only after the concrete hardening, water it with water and close it with a film for 3-7 days. We periodically check the humidity of the patch, and, if necessary, spray it with water.