Exterior Metal Wall Panels

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The exterior metal wall panels of these old buildings does not fully consider the durability problem in terms of materials, construction schemes, and weather resistance, so cracking and shedding problems are common. For this quality problem, there are several prevention and treatment measures to consider:

The surface layer of the exterior metal wall panels is treated with a suitable agent to prevent the bonding between the plaster layer and the base layer from being tight, and it is easy to hollow, crack, and fall off. Because the outer wall of a high-rise building is a concrete wall and the surface is too smooth, the mortar plaster layer is not easy to bond.

exterior metal wall panels

If it is a variety of brick masonry materials, it is easy to appear that the water absorption rate is too high, which affects the strength of the plastering mortar. The interface agent for the exterior metal wall panels surface can roughen the surface of the base layer, increase the adhesion to the base layer, and avoid the empty layer of the plaster layer. The interface agent for the surface of the masonry material can be infiltrated into the base layer to improve the bonding property between the mortar and the base layer.

Good weather resistance and good crack resistance 

The surface of exterior metal wall panels paint with good weather resistance and good crack resistance to reduce surface cracks. Because in the case of surface cracks, under the influence of natural conditions such as rain, ice, and plants, the cracks will continue to expand, eventually causing large pieces to fall off.

exterior metal wall panels

Enhance the crack resistance of the mortar

In the plastering layer, the paving wire mesh, the glass fiber mesh cloth, etc. are used, and the short fiber is mixed in the plastering mortar, which can greatly enhance the crack resistance of the mortar, reduce the temperature change of the plaster layer and harden and shrink itself. Cracks generated during the process.

Strengthen the bonding with the base layer

Strengthen the construction quality of concrete exterior wall, adopt aluminum alloy formwork and other techniques to greatly improve the surface flatness of cast-in-place concrete members, reduce or even eliminate the exterior metal wall panels, and adopt a thin plastering process, using polymer mortar or exterior wall putty The exterior metal wall panels can reduce the weight of the plaster layer, strengthen the bonding with the base layer, and reduce the risk of falling off.

exterior metal wall panels

Assembly construction technology

The integral assembly construction technology is adopted to integrally form the outer wall decorative layer and the main structure in the prefabricated factory to avoid fluctuations in quality control of the on-site construction and to obtain better quality and durability.

The decorative insulation integrated exterior metal wall panels is used to strengthen the connection between the outer wall surface layer and the base layer by means of anchoring and bonding, which can greatly reduce the risk of falling off.

Avoid the use of exterior metal wall panels such as mortar plasters and ceramic tiles, and use glass, aluminum plates, stone curtain walls and other methods with better durability and more reliable mechanical connection. Of course, if the exterior metal wall panels components are not properly installed, there is a risk of falling off, but this is better controlled and checked than traditional mortar plastering.

 

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