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Silicone waterproofing agent construction is generally divided into grass-roots surface cleaning, crack repair, spraying construction three procedures.

1. Clean up the grass-roots surface

Spraying silicone waterproofing agent before the grass-roots surface clean up the dust, moss and other pollutants. General dust and floating soil can be flushed with water, you can also scrub with a rag; oil, rust spots, moss spots to be carefully cleaned with cleaning agents, and then rinse clean with water residual cleaning agents.

Repair cracks

Substrate leakage is divided into two categories: capillary water absorption leakage, cracks and holes seepage. Silicone water repellent is very effective in treating capillary water leakage. But if the grass-roots level has a large crack or hole, a single spray silicone waterproofing agent often can not solve the problem, because if it rains when there is a strong wind, rain in the wind pressure, still can be driven through the cracks and holes, deep into the grass-roots level. Therefore, before spraying silicone waterproofing agent, you must choose the right material to fill and repair cracks and holes.

3. Spraying silicone waterproofing agent

According to the material manufacturer's use ratio and construction method you use, just follow the process strictly. Pay attention to labor protection measures and safety.

Silicone waterproofing agent principle of action

Silicone is not a particular product, it is a general term for silicone compounds. They reduce the tension of the building surface through a special molecular structure. When water vapor in the air or raindrops come into contact with the material surface, the hydrophobic surface of the material plays a hydrophobic role, making it difficult for liquid water to stay on the slope or façade and drip downward, preventing outside moisture from penetrating into the cementitious material.