Everyone knows that sandstone is one of the best finishing materials of nature donated to mankind, but not everyone knows how exactly it is necessary to use this stone in facing work.
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Preparation of sandstone. Before starting to clarify the surface of the wall with sandstone, it is necessary to rinse it thoroughly under running water, while using a hard brush. Since the stone was extracted from the soil on it remained the remains of clay, it is for this reason that the stone needs to be washed, otherwise it will disappear from the lined surface of the wall. The task of the facingman is to assemble the original composition of sandstone on the wall so that the thickness of the seams between the stone is not more than 1.5 cm. It is almost impossible to choose a stone to choose a stone for this case, you need to use a grinder. With the help of a grinder, sandstone is adjusted to a stone already laid on the wall and so one after another.
The solution for sandstone is necessary to prepare in the following proportions: brand cement 500 1 part, sand clay 3 part PVA glue 0.2 part, water. All components are mixed in a container with a construction mixer until the consistency of thick sour cream.