First, the high-rise wall waterproofing trap: walls are essential vertical components of a building. However, due to design flaws, construction errors, material issues, or improper use, cracks can develop over time, leading to water leakage problems.
The method for wall leakage repair involves restoring the original structure's waterproofing by using a linear waterproofing system. This technique helps to disperse water and prevent it from accumulating in vulnerable areas.
When part of the cavity structure is damaged, this repair method tends to yield better results, as it allows for targeted restoration without affecting the entire structure.
Applying waterproof materials is a widely used approach. It involves sealing or painting the interior surfaces with oil-soluble or water-based waterproof coatings to prevent water infiltration from rain or moisture.
It’s also important to implement waterproof measures on the exterior of the building's cladding. This provides an additional barrier against water penetration from the outside.
The method of blocking water on the outer wall involves applying waterproofing materials on the inner side of the exterior wall. This prevents rainwater from entering through cracks or porous surfaces.
Second, the construction of architectural coatings on the exterior walls: when applying new wall coatings, it's crucial that the base layer has enough curing time. Fresh cement mortar or concrete surfaces must be properly cured to "soda" and fully dry before coating application.
The surface should be clean, dry, and solid, free from sanding, cracking, or loosening. Proper preparation ensures the longevity of the coating.
The construction method recommends avoiding large-area application of putty. The putty layer should not be too thick, and polymer cement putty is typically used. A primer is applied once, followed by two layers of topcoat. Depending on project requirements, more layers may be added for enhanced durability.
Painting is usually done from top to bottom, with each coat separated by clear boundaries such as wall edges, corners, or downpipes. This helps maintain a neat and professional finish.
The tools commonly used include rollers, brushes, or airless spray systems, depending on the size of the area and the desired texture.
Maintenance and renovation: One of the greatest benefits of using paint for building exteriors is its ability to be refreshed after a certain period. Typically, a full maintenance or repaint is recommended every 4 to 5 years.
Before any renovation, a thorough inspection of the exterior walls should be conducted to identify any underlying issues. Based on the findings, a detailed construction plan should be developed to ensure a successful and long-lasting result.
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