Why on the ceiling of gypsum cardboard there are cracks and how to deal with them

No one is immune to cracks on the plasterboard ceiling, most often they appear at the joints of the floor slabs and this affects the overall appearance of the structure. Even experienced masters can not give a one hundred percent guarantee that after the creation of a ceiling from gypsum cardboard, cracks will not occur with time. And this is not the skill of the construction team, but in connection with the presence of many accompanying factors.

It is necessary to consider this issue more thoroughly, because every crack on the ceiling of gypsum board causes significant excitement in the owners. The question arises: what to do, how to eliminate this problem? First of all, you should determine the reason for their appearance.

Causes of cracking

Cracks appear on the plasterboard ceiling on completely different occasions. Among the most common are the following.

1. Shrinkage.

The most frequent and common cause of the appearance of cracks on the ceiling can be a drawdown of the structure. Much to our regret, here the person is powerless, after all to stop this process not under force to anybody, it is necessary to expect simply its completion and not to hurry to erect plasterboard designs in "fresh" construction.

2. Gypsum plasterboard ceiling

Any professional will say that in this situation, the fault is the wrong installation of the product. Most often, the problem occurs in large rooms, where the laying is done sheet in the sheet, without using the seam offsets. Then, even with small fluctuations in the structure, a crack may appear throughout the seam. For example, when driving on the road near the house of massive equipment.

3.

dowel-screw set As a rule, the installation made with the help of dowels and running in the set with them screws can not withstand a lot of weight. Gradually, the owners begin to notice that there are cracks in the ceiling from the plasterboard. The bottom line is that the diameter of the screw in relation to the diameter of the dowel is too small and the wall of the dowel itself is very poorly fastened in the hole. As a result, a sag appears and a crack appears. It is necessary to use in addition to suspensions also rigid fastenings with a ceiling.

4. Not primed ceiling

No less common problem is the forgetfulness of the masters or the lack of independent work. In the event that before starting the stage of putty, the person forgot to walk the primer. Practically in ninety percent of cases there will be cracks due to non-observance of ventilation and humidity of the room during repair work. The sheets collect moisture and then dry up.

The main rule of each layer is to dry and then the next stages of work.

The main reasons are identified, you can proceed to the second stage of the study of the problem-the methods of correction and prevention of repeated occurrences of cracks.

The cardinal way of breaking the

The main technology violation in the pursuit of material savings is that according to the Knauf standards on the ceiling, 2 layers of drywall sheets are used. Fastening of the profile is carried out not with plastic dowels with metal nails or using a pneumatic gun to fix the profile. Another important advice for masters can be read in the article about the secrets of working with the pofil.

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Elimination of defects on the ceiling

Question on how to remove drywall cracks on the ceiling x is very responsible and requires special attention.

What is needed to repair the cracks?

In order to know what to repair the cracks in the ceiling from gypsum board, it is necessary to have a set of building materials and master the technique for eliminating cracks.

You will need:

• trowel rigid;

• a knife special hard;

• chisel for cracks;

• sandpaper;

• diamond special mesh;

• spatula 100-150mm;

• Uniflor or Fugenfuel solution;

• primer, paint and roller.

Now, you can proceed directly to the cracks on the gypsum board construction.

Elimination of cracks

Repair work begins with a crack seal. It is expanded by 5-10 mm. Cleaned from putty. A colored surface is removed from each edge and a grid is closed. Apply a new layer of putty, treated with a primer. After these works, the surface is puttyped with a wide spatula, the composition is distributed throughout the entire ceiling. When all is withered, it is necessary to put the putty once again, in order to eliminate the small emptiness. Next, a gypsum plasterboard ceiling is primed and painted in the desired color.

Recommendations of professionals

It is important to take into account the advice of specialists who know exactly how to eliminate cracks in the ceiling from gypsum board. To avoid the appearance of cracks on the ceiling we use fiberglass. If you need a guarantee for the non-appearance of cracks use veneer fleece or fiberglass cobweb.

If it is not a purely white ceiling, you need to be prepared for a complete repainting of the entire surface. The fact is that if you only paint the repair site, after drying, the paint may come through and differ from the general background. To do this, you need to fill the entire ceiling, paint and then the painted construction will look like a single whole.

When there are frequent leaks in the house, it is easier and cheaper to install a stretch ceiling, and then the cracks on the ceiling will not bother you. So, when assembling a drywall structure, it is necessary to provide in advance the nuances of the room functionality, so as not to encounter frequent problems of removing defects on the ceiling.

Attention: in order to face less problems with cracking on a plasterboard ceiling, you do not need to save money on materials and specialists! Be careful in this matter and do not pay twice!