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Question:

The use of lime mortar as the wall paint material, after a period of time, there have been protruding radial cracks, try to analyze the reasons

The use of lime mortar as the wall paint material, after a period of time, there have been protruding radial cracks, try to analyze the reasons

Answer:

Construction methods: plastering before the wall to clean up the dust, oil and other debris, plastering two days before the wall should be full of wet weight 碃 度 郛 Road shop bar care, but no water Plastering, mortar consistency should be moderate; in transit, the mortar from the Xixi, to re-artificial mixing; wipe the wall of the mortar layer is too thin, not with dry cement powder to absorb moisture, must be eradicated; Plastering sand must be in the sand, mud content of not more than 5%
The second is plastering, the mixing of the mortar is too thin, or plaster face close too early
The cause of quality problems: First, plastering before the wall did not clean up the dust and the walls are not fully moist, or plaster before the wall was watering, there are clear water on the wall

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