In order to put really high -quality brickwork, it is necessary to have not only a tool and a brick, but also a binder – a solution. A solution for laying brick is prepared from a mixture of sand and cement powder. Previously, the sand must be sift very carefully. It is on the ratio of these two components of the solution that its plasticity depends, or, as they say, mobility. If there is more cement in the solution, then it is less mobile.
You can also find cement-clay and cement-cement-cement solutions for masonry bricks. They are more mobile, and this property is used for some types of masonry. Working with high -plastic solution is more comfortable, although this method is not always suitable.
For example, when laying hollow bricks, a plastic solution will flow into voids, which will reduce the thermal insulation properties of the wall and increase the flow rate of the solution. To determine the plasticity of the solution, a special tool is used – a reference cone. It is a heavy metal tool with divisions inflicted on it. By the depth of immersion of this device in the solution and determine its plasticity.
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