The cause of the empty drum on the wall, and the solution.

The walls cover the largest area of the entire home. If the method used in the decoration process is not proper, it is likely that the phenomenon of empty drums on the wall will appear later. The empty drum of the wall not only gives people visual discomfort, from a deeper point of aspect, it will also bring safety hazards to the living environment

. So what causes empty drums in the walls? What should we do when we touch the empty drum on the wall? The following small editor will lead you to understand the reasons for the wall empty drum and repair related knowledge.
the cause and repair of the empty drum on the wall - the reason
We can find the key to the problem before we deal with the empty drum on the wall, in order to solve the problem in a targeted manner. There are the following reasons for not wall empty drum:
1, the reason for the blank room wall empty drum
In the construction process, due to the wall flour ash layer in the structure and adhesion is lower, resulting in the wall empty drum and cracking phenomenon, is often called "sand ash wall."
2, the grass-roots treatment is not clean
in the construction process of insufficient maintenance of wool or did not water moist ahead of time, thus smearing excessive water loss caused by the grass-roots and dust layer not glued to lead to empty drums.
3, the grass-roots surface flatness
flatness did not meet the construction requirements, or the verticality exceeded the standard, will cause uneven ash layer, resulting in surface empty drum phenomenon.
4, layered construction is not right
some construction teams in order to greed for convenience, in the process of dusting the grass-roots, middle layer, layer layering improper, thin uneven, dry shrink after triggering the phenomenon of empty drum.
5, construction environment
dusting environment ventilation is good, but neglect of maintenance led to excessive water loss of mortar caused by the phenomenon of empty drums.
8, the wall surface is smooth
the wall surface is too smooth will also lead to poor binding, and in a large area when the bottom surface is not designed to separate seams, resulting in irregular shrinkage and other phenomena

Please open the business timely rectification, can be empty drum and cracking serious location after eradication, and then brush heavy cement mortar, in addition, and then re-made a layer of white cement on the original bad wall, the purpose is to enhance the overall structure of the wall, and the wall empty drum part of the cloth treatment, covered with environmentally friendly putty, mixed with part of the glue, in order to increase the structural strength and adhesion of the wall.
2, before the wall brush gray use wall solid, the wall flour ash fixed, fundamentally solve the problem of empty drums.
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