Plastering concrete in the basement

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If you want to plaster your concrete walls in the basement, the easiest way to do this is with finished plaster. In order to put this project into practice, however, you should demonstrate a certain amount of manual skills. For example, you should be able to read a spirit level correctly.

Prepare the concrete of the cellar wall

So then with the Plastering If the wall covering also sticks to the concrete, the basement wall must be prepared in advance. In addition, small rails have to be attached to the wall, via which the plaster can then be removed. These are all jobs that you have to do to apply the wall covering as professionally as possible.

  1. To make the concrete cellar wall as adhesive as possible, you should paint the entire wall with a deep primer. This deep primer is intended to ensure that the wall and the plaster then form a bond that adheres as well as possible when plastering. Let the deep primer dry for 24 hours before you attach three narrow rails to the wall.
  2. These rails are fastened vertically with screws 30 cm from the left and right ends of the wall. The rails should run parallel to each other. Attach the third rail vertically in the middle between the two outer rails.
  3. When screwing the rails you should often use the spirit level to see that all three rails are screwed to the wall. If this is not the case, you can work with small relines.
  4. In other words, place narrow wooden wedges between the wall and the rail before you screw the rail back on. The rails should be exactly as high as the subsequent plaster should be on your wall.
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Mix and plaster the finished mixture

  1. If the concrete cellar wall is now well prepared, you should get your masonry bucket out of the corner and mix the finished plaster with a little water. Don't make the mixture too watery or it won't stick to the wall when plastering. Take a trowel and apply plaster evenly to the wall from the bottom up.
  2. The three small steel rails give you two fields of the same size. It would make sense if you first plaster a field and then pull it over the rails with an aluminum lath. Only when a field is neatly plastered up to the edge do you move on to the next.
  3. When both fields are neatly covered with new wall covering, wait half an hour and then remove the small steel rails. Then carefully clean the resulting joints with the rest of the plaster and remove these three unevenness neatly. After the plaster has tightened a bit, rub the entire wall with a dampened float.

Depending on how high your wall is, it is advisable to use a stable stair ladder.

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