How to repair large cracks in the ceiling

Repairing cracks in the ceiling - it’s not just 5 minutes, but if you know what is the best way to do it, then the result will be excellent and you will forget for a long time exactly where the problem was before. The ceiling shown was first plastered, then whitewashed, and only then plastered and painted with water. In this form, we met with him. It was not easy to repair it, because due to the layer of lime, the layers below it fell off in places when wet.

It is impossible to knock on such a ceiling, since the cement-lime plaster will simply collapse, the poet needed a more humane method of restoration.

He removed everything that could be torn from the cracks with a spatula. Then I thoroughly primed these places. Further into the matter nthe special putty for sealing the joints is gone, which practically does not shrink even when applied in a large layer. It is called "Knauf Fugen". But the putty itself solves the problem to the end.

For the completeness of the case, a fibrous

non-woven tape, which adheres well to the damp layer of putty when ironed over with a spatula. The putty should be applied over an area equal to the width of the tape being used. In this case I took tape 100 mmto bridge large cracks.

This tape is easily putty into the ceiling and remains invisible. Even if after a while a crack appears above it, it will not be noticeable and this will not violate the integrity of the outer layer of the finish, for example, paint.

It is necessary to apply "Knauf Fugen" as evenly as possible, since it is difficult to grind irregularities on it. After drying, a layer of some kind of finishing putty is applied on top, smoothing out all remaining defects. A ready-made putty mass is well suited for this. Acryl-Putz Finisz. Its consumption is not large, since a thin layer is needed.

A bucket weighing 5 kg was enough for 11 squares of the ceiling. This putty is more flexible to sanding sandpaper or mesh with grain 220-240.

Since the putty "Fugen Knauf" is brownish, it is better to putty the place of its application twice with a lighter finish, but without fanaticism, since the rest will be covered by the paint. How did the shown on photo 1 the problem area after finishing is seen below. No defects and contours were left from the glued tape. And even if you look closely, you still can't see anything.

After the putty, the ceiling was primed again and only then painted with two layers of paint using a roller. I spent almost 3 days on the restoration of the ceiling. I'm happy with the result.

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