During the repair, the problem of the uneven surface of the floor is often found. You can solve this task yourself by aligning plywood without excess costs and efforts.
Here we will tell you what stages to share the whole process and materials that you will need, but before you should buy Faneru in Irkutsk or in that city in which you live. Work plan Delim stages:
1 - clean the surface from the construction trash;
2 - bathing floor;
3 - make a cement screed;
4 - in the primary and primer base;
5 - equalize and insulate the half of the plywood.
We carry out a tie of the floor
It should be borne in mind that the screed of the floor must dry up to 40 days. After you need to check its quality - humidity and flatness surface. Humidity check the method of pressed polyethylene sheet and inspection after 3-4 days per moisture. If there are no drops, then everything is done well.
Plywood sheets
Initially, lay off plywood sheets on the estimated locations with the condition that there should be gaps (damped seams) in 10 mm, as well as between the plates and walls in 20mm. Thus, we leave sufficient ventilation space. It is necessary to install sheets by type of bricks, to prevent 4 plates from entering 4 points. After that, each sheet is numbered and removed to hold the next step of work.
Sawing plywood
In the case when standard sheets of plywood with dimensions in 125x125mm, can not fit into a small room. They are cut into 4 sheets in 60x60 mm. Also, this method allows preventing deformation in very wet rooms. After sawing, inspect the quality of the sheets if there are bundles, you can safely return to the seller.
We begin preparation for laying
We carry out stripping the main surface from irregularities and remove the garbage to full purity.
Primes
It is carried out with a mastic or other type of primer, in which a greater amount of solvent for better penetration into the substance surface. During the holding, small particles of dust are firmly attached to the surface and do not interfere with the bonding of the main layer and the standard priming occurs.
Laying plywood
On the base, to be applied with a smooth layer of mastic using a toothed spatula in 2 mm. We put the sheet of plywood and fasten with self-cutting screws with dowels. The location of plywood to bed in the form of envelopes around the perimeter with a distance from the edge of the sheet to 20mm and diagonals. The mount step must be equal to 15 - 20 mm. To accurately consolidate the screws, through the plywood sheet, the hole is drilled into the screed of the dowel. The hole is annifulating the drill of a larger diameter to obtain a complete drowning of the screw of the self-press. Next, insert a dowel and screw the screws until the stop and hiding the hats. In conclusion, the entire surface of the laid plywood is cleaned with a grinding machine or sandpaper of different grain.
Result
We view the visual location of the sheets and check the accuracy of the seams. We check the smaller with the two-meter-rules in different directions, while the maximum deviation should not exceed 2mm. The bias check any level with a maximum deviation of 0.2%. At the end, we spoke the entire surface, while normal there must be a solid ringing sound. If there are sound changes, it indicates a bad gluing.
Here is such a simple and easy way to align the floor of the plywood without effort and high costs.
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