One of the most important stages in construction and repair is the floor screed! Correctly completed screed – the key to the durability of the flooring and the convenience of its operation.
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The most common screed is the cement-sand.
To begin with, the highest and lowest floor points are determined, which will help calculate the approximate thickness of the future screed and the consumption of cement-sand mixture, respectively.
The next stage is the installation of lighthouses. In the old floor, strictly along the line and indented from the walls of 5 cm, with a step of 40-50 cm, holes are drilled along the entire length of the room, dowels are driven and screws are screwed up. The distance between the next series of screws is determined by the length of the rule, usually from 1 to 1.5 m.
Further, with the help of a hydraulic head, the extreme self -tapping screws of each line are exhibited so that the hats of self -tapping screws are in one horizontal. It should be borne in mind that the screed should be higher than the maximum point by a couple of centimeters. The installation sites of the lighthouses are pre -mixed and primed. Glue for tiles is added to the mixture to strengthen beacons. The solution is distributed along lines from self -tapping screws. The lighthouse is laid along the line and is pressed against the hats of the screws with the rule and is covered.
The next day, the screed itself is poured with a preliminary primer of the base. The solution is portioned portioned in front of itself and moved by the rule with movements to the left-right and to itself until all the tubercles and cavities disappear. It is recommended to fill the room at a time. Technological movement on the floor is allowed in a day.