First, the high-rise wall waterproofing trap: walls are vertical components of a building. However, due to design flaws, construction errors, material issues, or improper use, cracks can form in the walls, leading to water leakage problems.
To address wall leaks, the original structure's waterproofing is typically repaired using a linear waterproofing system. This method helps to disperse water and prevent it from accumulating in one area, thus reducing the risk of further damage.
When the cavity structure is partially damaged, this repair method proves to be more effective. It allows for targeted restoration without having to completely rebuild the affected section.
Applying waterproof materials is another common technique. This approach is widely used, as it involves sealing or painting the interior surfaces where rainwater might penetrate. Waterproof materials like oil-soluble or water-based sealants are often applied to create a protective barrier against moisture.
It’s also important to take waterproofing measures on the exterior side of the building. By applying waterproof coatings or membranes on the inner side of the outer walls, you can effectively block rainwater from entering through cracks or gaps.
Second, the architectural coating construction on the exterior walls: when applying new wall coatings, the base layer must have enough curing time. Newly poured concrete or mortar should be allowed to "soda" and dry completely before any coating is applied. The surface should be clean, dry, and solid, with no signs of peeling, cracking, or looseness.
The construction process involves applying a primer first, followed by two layers of topcoat. Depending on the project requirements, additional coats may be added for better coverage and durability. Painting should be done from top to bottom, with each coat separated by clear boundaries such as walls, corners, or downpipes.
Common tools used for this process include brushes, rollers, or airless spray equipment. These tools help achieve even coverage and a smooth finish.
Maintenance and renovation of the exterior wall coatings are essential. One of the key benefits of using paint is that it can be easily repainted after a few years. A full renovation is usually recommended every 4 to 5 years. Before starting any renovation, a thorough inspection of the exterior walls should be conducted to assess the condition and plan the work accordingly.
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