This kind of potential safety hazard is beside you and me!

2024-01-05 16:02

Recently, a report from a certain media put the construction safety issue in front of the public, which is worrying:

Long Run City, Baolong, Qiantang District, has been delivered for only one year, and the facade of the building wall has fallen off.

These cases are just the tip of the iceberg,The widespread phenomenon of external wall shedding has become a social problem, which seriously affects people's life and property safety.

In order to solve this problem, people are also looking for its root causes and taking various remedial measures.

Some people think that because the insulation layer uses thermal insulation mortar material, this material is relatively thick, easy to cause the facade hollowing, cracking, and then falling off, so after 2020, many developers began to use new insulation materials.

Some people also think that the floor is too high, the wind pressure is too strong, and the stress caused by thermal expansion and contraction, and take direct slotting maintenance measures:

Few people pay attention to the influence of the exterior layer:

1. The cracking, breakage and defects of the outer decorative layer lead to the immersion of rainwater into the painting layer and thermal insulation layer, and the immersion of rainwater will aggravate the cracking of the wall. This cycle will eventually lead to the bulging and falling off of the painting layer and thermal insulation layer.

2. The damaged part of the exterior layer loses the barrier, and the temperature difference changes, and this temperature difference stress is also an important factor leading to wall cracking and bulging.

from this,The selection of the outer layer material is very important to the protection of the building wall, and the patch stone and its special adhesive clay can play this effect well:

1. The flexibility of the cement and the patch stone and the double-layer reinforced net structure of the patch stone ensure that the facing layer will not crack due to the cracking of the base layer.

2. The good waterproof function of the glue and the patch stone forms a tight waterproof system on the exterior of the building to avoid the cracks of the external rainwater immersion in the grass-roots level.
3. The thickness of the outer layer composed of the patch stone and the cement is 4-5mm, and the thermal conductivity will be relatively low, which slows down the temperature change of the base layer.
4. Patch stone and cement in the surface of the composition of a flexible binding system, the insulation layer, the paint layer has played a good role in binding, reinforcement.
The protective effect of patch stone on building walls can be summarized as follows:Anti-cracking, waterproof and anti-falling.Minimize the possibility of external walls falling off.

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