How to solve the plaster mortar cracking hollowing?


Release time:

2015-07-25

Author:

New Earth Group

Source:

How to solve the plaster mortar cracking hollowing?

When it comes to interior wall plastering mortar, many people are not unfamiliar, but you can know that interior wall plastering mortar will crack and hollowing after use. Do you know how to solve and deal with these problems? I will introduce the problem of cracking and hollowing of interior wall plastering mortar.
The problem of cracking and hollowing of interior wall plastering mortar is generally caused by two major factors.
1. The material factors used;
①. The aging time is not long enough;
②. The density of insulation board is not big enough;
③. Pulverization of the material of the insulation board itself;
④. Excessive thermal conductivity difference;
⑤. The bonding material and the bonded material are not fused;
 
2. Factors in the construction process;
①. Incorrect construction method;
②. The interface is not treated when using lime-containing materials for pasting;
③. The range of bonding area cannot meet the requirements;
④. Burial depth and number of anchors for insulation boards.
⑤. Under the hot sun exposure, it is easy to lose too much water, which can cause cracks in the plastering mortar.
 
抹灰砂浆

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