Quality problems that should be paid attention to in the construction of marble or granite floors
[Students' questions] Should quality problems be noted in the construction of marble or granite floors?
[Answer] (1) The surface of the board and the base layer are empty: the concrete cushion is not cleaned or the water is not wet enough. The cement slurry is uneven or has been dried for a long time. Add mortar to the mortar for leveling. The marble board is not soaked in water and other factors are easy to cause empty drums. Therefore, the basic process must be strictly adhered to. The base layer must be cleaned. The screed mortar should be dry and hard. With a layer of plain cement, the marble (or granite) plate must be wetted before being paved.
(2) The size of the head appears at the end: the operator does not pull the line when laying or the different operators are in the same line to grasp the inconsistency between the plates. Therefore, the line must be pulled before laying, and the operator should lay the line with the line. After each line is laid, the line is pulled again to check whether the gap is straight and avoid the size of the head.
(3) The seam is uneven, and the seam is uneven and uneven: the main reason is that the plate itself has defects such as thickness, width, width, warpage, etc., which are not strictly selected in advance. The horizontal elevation lines in the room are not uniform. When the paving is not strictly pulled through the line and other factors, it is easy to produce defects such as uneven seams and uneven seams. Therefore, the plates should be strictly selected in advance, and any blocks such as warping, arch back, width and width are not used. After laying the standard block, it should be laid in the order of the two sides and the backward direction, and the level and the ruler should be used at any time. The seam must be pulled through the line without deviation. The elevation line in the room must be led by a special person, and the elevation of each room and corridor must be the same.
(4) Slate activity at the door: When paving, the paved slabs are not connected to the adjacent ground in time. In the process arrangement, the floor of the room other than the marble (or granite) floor should be completed first. The marble slabs at the door are paved at the same time as the ground.
(5) The thickness of the skirting board is inconsistent: when the skirting board is attached, the cable must be controlled.
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