After installing the lag on the screed, their surface can be covered with OSB slabs or plywood. They will serve as an excellent basis for the flooring of any cultural coating. OSB or plywood slabs layout is practically no different.
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Put the slabs, keeping the gap between them 3 mm to the side. The gap between the wall and the stove is left 10mm, if the plate is mounted between the two walls, then the gap from the wall is left 12 mm. The same gap is performed in the case of the installation of “floating” floors. OSB plates are laid perpendicular to the lags. The connection of the side (short) sides of the OSB plates must necessarily fall on the lags. Long edges of OSB (plywood), if they do not rely on the lags, must have an additional support or “puzzle connection”.
When when repairing it is necessary to add a height, a design using an adjustable OSB plate (or plywood) is performed. In this case, instead of lag, plastic bushings are used. The holes of the required diameter are drilled in OSB plates (plywood). These bushings are inserted into the holes drilled in OSB (or faner). Bolts are inserted into these holes, and the level of the floor surface level is aligned with the rotation of the special key. After installing the first layer of the “frame”, the next layer is laid so that the joints of the first are overlapped, and is attached with “self -tapping screws” along the entire surface.