Is steel mesh or fiberglass plastering mesh better for exterior wall plastering
Dec 01,2021
The addition of steel mesh or fiberglass plastering mesh is for anti-cracking. The roof is made of steel mesh because the top layer is easily heated and cold, and the concrete technology cracks. Therefore, the use of steel mesh and the fiberglass plastering mesh in the middle may be added to reduce the cost. The purpose of the net is to resist cracking, but I have not encountered a full net. Generally, it is necessary to hang the net where the two materials are connected.
Waste the top floor with steel mesh. It is understandable that the higher the building, the higher the temperature difference, the greater the possibility of cracking. My opinion is that it is not only the top floor, but five floors from the top should be covered with steel mesh. . Why is the fiberglass plastering mesh hung on the lower layer? The temperature difference in the lower layer is the smallest. Then the middle ones are changed to fiberglass plastering mesh. It is said that steel mesh is directly hung on the inner walls. What material is the wall made of? Standard bricks or Sajia aerated blocks. If it is Sajia aerated blocks, it must be covered with fiberglass plastering mesh. The top floor is made of steel wire mesh. , I won’t talk about it here.
Whether it is fiberglass plastering mesh or steel mesh, it must be the interface agent brushed on the mesh, that is to say, the mesh is best in the middle of the base layer, and then the surface is pressed and polished. Do not directly stick to the wall and then scrape it. Noodles, this can easily cause hollowing. Adding steel mesh or nylon mesh (should not be a fiberglass net bar!) is to resist cracking. The roof is made of steel mesh because the top layer is easy to be heated and cold, and the concrete technique produces cracks, so steel mesh is used, and fiberglass plastering is used in the middle. The mesh may be to reduce the cost. The top layer is a stress constraining layer, which is relatively affected by temperature and is prone to cracking; and the first layer is generally a structural form conversion layer, so all steel mesh is used, and the rigidity of the steel mesh is better. As for other floors, the stress change is relatively small, so fiberglass plastering mesh is used.
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