Prevention is better than cure: creating a magical wall without white glaze
Prevention is better than cure: creating a magical wall without white glaze
The so-called white bloom phenomenon, also known as "wall cancer", is often seen on the exterior walls of buildings as white water streaks, just like the wall is "running a nose"; or white crystals appear in the gaps between indoor walls and tiles, which may even cause the wall to fall off in severe cases. Not only does it affect the appearance of the home, it may also damage the wall structure and even threaten human health. Therefore, the key to preventing and treating wall cancer is to take preventive measures such as waterproofing and material selection from the decoration stage to truly eradicate the problem.
What exactly is Baihua?
The wall is covered with a layer of white crystals. It is not wall cancer... Well, it is actually white efflorescence, commonly known as "wall cancer"! Water carries calcium alkalis from the concrete and precipitates over time, forming white salt crystals like stalactites on the surface.
Not only does it affect the appearance, but it can also damage the structure and even threaten safety!
A detailed analysis of the four Baihua modes!
1. Initial type of white flower (gray flower)- It will only appear briefly after repainting and when the cement of the new wall is initially solidified.
- It is a thin layer of white substance, which can be washed away without damaging the structure.
- Powdery/woolly white bloom adheres to the wall surface, often causing local swelling and peeling of cement paint.
3. Wet white flower (white spit)
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Like a runny nose, white water marks run out from cracks or gaps. If they cannot be stopped, they will also corrode the steel bars.
- From contaminated water or materials, not the concrete itself.
- It can cause the concrete to become brittle, broken, or even weathered.
Prevention is king: creating a magical wall without white glaze
Want your walls to stay clean forever? You should do your homework first. Prevention is better than cure:
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Zero pollution sand: It is strictly forbidden to use contaminated river sand or sea sand.
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Dry construction is preferred: to avoid alkaline mortar from whitening; when wet construction is necessary, use a low water-cement ratio.
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Special caulking agent: Stone gaps must never be filled with cement, choose professional materials.
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Regular cleaning: remove surface dirt and salt spray, and white rust will naturally not appear on the surface.
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Use Hua tsai paint for waterproofing: add it to cement mortar as a base waterproof layer to prevent the formation of white bloom.
What to do if white blood cell appears? Three first aid tips!
1. Water cut-off method
- Find the source of water seepage and completely stop the leakage/seepage. But sometimes the causes are complicated and it is difficult to "stop leaking".
2. Water absorption method
- Use strong absorbent materials to absorb moisture from the wall; you can also use inorganic paint to help drain water. If the water source is still there, you still have to go back to "cut off water".
3. Inhibitor incorporation method
- Adding a white bloom inhibitor into the mortar can reduce white bloom crystallization, but the cost is that the mortar strength is only about 60%.
4. Use Hua tsai Paint H100 penetrating film-free water repellent
- It only needs to be applied, deeply penetrates cement and inorganic material surfaces (such as stone, brick, etc.), forms a membrane-free waterproof layer, and has a long-lasting and stable water-repellent effect, effectively preventing water vapor infiltration and salt corrosion
Small tips make a big difference!
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The initial gray spots can be regarded as a "mark that the cement has just solidified" and can be easily washed off.
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The Kundong-style white flow is a warning that a major structure has "water in its brain": it must be dealt with immediately.
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Crystalline salt phenomena, such as erosion of reefs, are often a sign of "engineering quality control problems".
Only by choosing the right waterproof coating and following the correct construction method can you ensure long-lasting waterproof effect.
hua tsai Coatings helps you find the best solution to make your waterproofing project more secure!
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