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The main causes of detachment on the ceiling screed

January 28, 2018
Articles

High-quality screed with subsequent painting gives the ceiling a great look of matte or glossy texture. But sometimes there are situations when the ceiling trimmed in this way begins to peel off and swell in places: what can it be like during the work and during the operation. In fact, this problem is most common for ceilings.The main causes of detachment on the ceiling screedthis type, and it can be caused by a number of factors, both internal and external. And therefore, before proceeding to cosmetic removal of the flaw, it is imperative to find out the cause of this phenomenon.

Consider the most basic causes of ceiling exfoliation, and methods for solving them:

1. Old layer putty or whitewash.During the preparation of the base, many novice masters are not serious about the careful removal of the old finish - whitewash, old putty, wallpaper.But each missed small area subsequently becomes an increased risk zone: the layers of the new solution superimposed on it begin to pull off the old material, and after a while the screed will be blown and peeled off at this place. Very often this happens at the last stage of the screed arrangement - during painting: paint impregnates the surface, and in insufficiently strong places it can draw a solution.

2. An unstable foundation.
You need to be very careful about fragile ceiling foundations - shingles, old panels, old plaster. This is a situation in which the base itself is not firm and strong enough. In such cases, it is necessary to apply the method of several priming, and even better - to reinforce such a base with a solid paint or plaster grid. If this is not done, then due to poor adhesion, new materials can simply come off together with particles of the old base.

3. Violation of finishing technology. Peeling on the ceiling screed may occur in cases of violation of recommendations for the implementation of screed, namely, when the next layer is superimposed on the previous is not completely dried out.This is especially common in cases when wet areas remain in places after the starting leveling layer, but a beginner is led into the illusion that the surface in such areas is already solid. If you impose the next layer on top of them, the possibility of full evaporation of moisture remains will be blocked: it will concentrate inside the screed, which can lead to crumbling, followed by delamination. Therefore, it is very important not to rush, giving each layer of putty to dry well.

4. External exposure to moisture.
This can be either a ceiling leakage from above, or increased humidity in the room where the work takes place. Therefore, it is very important to provide all the required conditions for high-quality drying of the screed: the optimum temperature is above +10 degrees and good ventilation.The main causes of detachment on the ceiling screed

If we take into account all the above reasons during the implementation of the screed, the percentage of the likelihood that there will be exfoliation will be minimal. It is also important to attend to the quality materials - do not use an expired and cheap product.

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